Previous Climatic Shifts Deprived Oceans of Oxygen

Jan 30th, 2015 | By

Dead zones — massive stratified columns of oxygen-deprived water — could become the new normal in oceans around the world as global temperatures continue to rise. New research, published this week in the journal PLOS ONE, links ancient climate change to dead zone expansion. “Our modern ocean is moving into a state that has no

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Increased Carbon Spill From Glaciers Sets New Puzzle

Jan 29th, 2015 | By

Researchers in the US have calculated that, thanks to climate change, melting glaciers will have spilled an extra 15 million tonnes of organic carbon into the seas by 2050. The consequences for the ecosystems that depend on glacial meltwater are uncertain, but this burden of biological soot and sediment has potential implications for the global carbon

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Next-generation Sequencing Offers Insight Into How Species Adapt to Climate Change

Jan 22nd, 2015 | By

American Institute of Biological Sciences: Environmental scientists have a new tool for studying the responses of species to climate change. Next-generation sequencing (NGS) has made it possible to analyze enormous numbers of short pieces of DNA very quickly, and this technology is already revolutionizing the biomedical sciences. The hope is that NGS may prove similarly

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Graphic Clearly Shows Human Pressure on Earth Reaching Critical Level

Jan 16th, 2015 | By

Using 24 key social, economic, and environmental indicators, our friend Félix Pharand-Deschênes has created a dashboard that shows how human pressure on planet Earth is reaching critical level. Fast. The acceleration shown over the last 60 years is absolutely crazy. Zoom in. Freak out. Just look at those curves-some of them exponential. World population and

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Underworld Holds Vital Clues to Carbon Cycle Puzzle

Jan 8th, 2015 | By

More trees and more vigorous vegetation growth may not soak up atmospheric carbon, according to new research. Instead, more lusty tree roots could goad the soil microbe population into releasing as carbon dioxide so much more old carbon stored in the soil. And since the planet’s store of soil carbon is at least twice the quantity locked

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Winter Rain Decoded by IITM Researchers

Dec 26th, 2014 | By

The heavy downpour during the winter chill has been attributed to western disturbances coupled with changes in climate owing to global warming. Post-monsoon rain, winter rain in particular, has been witnessing a gradual increase over the decades. This December, it beat the earlier record of winter rain registered in the city on December 22, 1942.

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Fast-Tracking Elimination of Ozone-Depleting Substances Could Speed Up Ozone Layer Recovery

Dec 25th, 2014 | By

The recovery of the ozone layer – the shield that protects life on Earth from harmful levels of ultraviolet rays – would come sooner if we were to fast-track the elimination of the production of the ozone-depleting substance (ODS)hydrochlorofluorocarbons (HCFCs) and manage otherODSs that remain in equipment, building walls and chemical stockpiles, according to the

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Global Warming Will Cut Wheat Yields, Research Shows

Dec 24th, 2014 | By

Global wheat yields are likely to fall significantly as climate change takes hold, new research has shown . The researchers found that wheat production would fall by 6% for every 1C increase in temperatures. The world is now nearly certain to warm by up to 2C compared with pre-industrial levels, with political efforts concentrated on

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Loss of Rainforests is Double Whammy Threat to Climate

Dec 21st, 2014 | By

Tropical rainforests do more than just soak up carbon dioxide and renew atmospheric oxygen, they affect the weather in the rest of the world as well. And if the Amazon rainforest disappeared, the US Midwest could begin to dry up during the growing season. In what is claimed as the most comprehensive analysis to date,

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Emissions Growth Slows as Economies Clean Up – Research

Dec 16th, 2014 | By

While Sunday’s global climate agreement in Lima made only incremental progress to prevent dangerous global warming, economic growth is getting less dependent on polluting activities. Emissions from fossil fuel use and industrial sources increased to a record 35.3 billion tonnes in 2013, PBL revealed – 2% higher than 2012. That is a smaller rise than

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Full Economic Potential of Carbon-Rich Mangroves Remains Untapped, Finds New UN Report

Dec 14th, 2014 | By

The economic and social benefits of mangroves – which are estimated to run into the hundreds of billions worldwide – remain largely untapped due to a lack of carbon finance mechanisms, appropriate policy interventions, and rapid mangrove deforestation, according to a new United Nations Environment Programme (UNEP) report launched today at the 20th Conference of

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Fall of Ancient Civilization Offers Climate Warning

Nov 19th, 2014 | By

Two scholars have a new explanation for the collapse of one of the great Bronze Age civilizations. The Assyrian empire of the 7th century BC – based in Nineveh, in what is now northern Iraq – may have collapsed at least in part because of a population explosion and climate change in the form of

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Lightning Strikes Will Increase Due to Climate Change

Nov 17th, 2014 | By
storm chaser Roger Hill of an amazing lightning storm

The Guardian: Lightning will strike far more frequently in a world under climate change – but researchers can still not predict exactly where or when those strikes will occur. New research from the University of California, Berkeley, published on Thursday in the journal Science, found warming conditions would result in 50% more lightning strikes by

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IPCC Urged Again to Fill Regional Research Gaps

Nov 5th, 2014 | By

The Intergovernmental Panel on Climate Change (IPCC) should do practical research that can help mitigate global warming effects and advance knowledge in regions such as Africa where climate systems are little understood, a UN official has said. “We have to get much better at reshaping the research so that it doesn’t stay in a high

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When Thawing Glaciers Release Pollutants

Nov 4th, 2014 | By

As glaciers increasingly melt in the wake of climate change, it is not only the landscape that is affected. Thawing glaciers also release many industrial pollutants stored in the ice into the environment. Now, within the scope of a Swiss National Science Foundation project, researchers from the Paul Scherrer Institute (PSI), Empa, ETH Zurich and

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Sea Level Rises Unprecedented In Last 6000 Years

Oct 15th, 2014 | By

A new study of past sea level changes spanning 35,000 years shows that during the period from 6,000 years ago until the mid-19th century there is no evidence of sea level changes over periods of longer than 200 years and no evidence of changes that exceeded 20cm. For comparison, sea levels have risen by around

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Uttarakhand Floods Result of Climate Change: Report

Oct 13th, 2014 | By

The 2013 Uttarakhand floods were most probably a consequence of “human-induced” climate change, a new report by the American Meteorological Society has suggested. The extraordinary rainfall in Uttarakhand in June last year has found a place in a list of 16 extreme weather events that the report says were most likely a direct result of

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Himalayan Glaciers In Karakoram Adding Bulk, Not Losing Ice, Says Study

Oct 13th, 2014 | By

Reuters: Once again there is damning news against the Inter­governmental Panel on Climate Change (IPCC), this time from a study of glaciers in the Karakoram region of the Himalayas. It finds that the glaciers here are stable and snowfall is actually increasing adding to their bulk. Even earlier, these glaciers have been a source of

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Can’t Take the Heat

Oct 12th, 2014 | By

As ocean temperatures rise over the next century, fish will migrate to cooler latitudes, according to projections by fisheries scientists at the University of British Columbia (UBC). As a result, many regions of the tropics could become “hotspots” for local fish extinctions, which could in turn threaten ecosystems and human livelihoods. The results, based on

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KU Researchers Make New Discoveries in Glaciers

Oct 2nd, 2014 | By

Kansas University researchers say they have discovered new details below two glaciers that will help provide more accurate predictions about rising sea levels caused by climate change. The findings by the KU-based Center for Remote Sensing of Ice Sheets (CReSIS) were published in the lead article in the most recent issue of Journal of Glaciology.

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Climate Not as Sensitive to Carbon Dioxide

Sep 28th, 2014 | By

The findings have generated vigorous international debate about an issue that remains a key area of uncertainty in climate ­science. The paper, published in the journal Climate Dynamics, was prepared by US climate scientist Judith Curry and climate ­researcher Nic Lewis. Dr Curry said the sensitivity of climate to increasing concentrations of CO2 was at

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Nearly Half the World’s Trash Is Burned, and That’s Worsening Climate Change

Sep 2nd, 2014 | By

Nearly half the world’s trash is burned in the open, spewing pollutants into the atmosphere that contribute to climate change and affect human health, according to a new study. Since such burning is largely unregulated and unreported, emissions of some pollutants have been underestimated by as much as 40 percent, said the researchers, who published their findings in the

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Dams Versus Rivers – the Global Battle

Aug 28th, 2014 | By

International Rivers has launched ‘The State of the World’s Rivers’, an interactive online database that illustrates the role that dams have played in impoverishing the health of the world’s river basins. The database shows how river fragmentation due to decades of dam-building is highly correlated with poor water quality and low biodiversity. Many of the

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Heat Wave Offers Glimpse Into Climate Change

Aug 25th, 2014 | By

An unprecedented marine heat wave that swept the Southeast Indian Ocean in 2011 has given FIU scientists a glimpse into the future of climate change. The heat wave caused the loss of more than 90 percent of the dominant seagrass in some regions of Shark Bay, Australia. Since seagrass meadows provide habitat for many ecologically

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Pre-history Proof of Climate’s See-saw Sensitivity

Aug 24th, 2014 | By

Climate News Network: It doesn’t take much to change a planet’s climate – just a little shift in the Northern hemisphere glacial ice sheet and a bit more carbon dioxide in the atmosphere. After that, the response is rapid. The tropical rain belt moves north and the southern hemisphere cools a bit, in some sort of

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Scientists Find “Unambiguous” Proof of Global Warming

Aug 20th, 2014 | By

This isn’t local but its effects affect us all. The information was sent to us by Trent University. Dr. Graham Cogley, professor of geography at Trent University, and an international team of scientists led by Dr. Ben Marzeion, of the University of Innsbruck, have found unambiguous evidence for an increase in the loss of glacier

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Climate Change Made Classic Civilisations to Collapse

Aug 18th, 2014 | By

In barely six months since a group of scientists and archaeologists found that the Indus Valley Civilization had collapsed due to monsoon hiatus that resulted in prolonged drought, a new study came out with evidences confirming that the ancient civilisation of Mesopotamia too had collapsed due to years of drought resulted by climate change. A

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Ancient Civilizations Battled Climate Change Long Before Cars, Factories

Aug 12th, 2014 | By

In what is now the Middle East, some of the most ancient, productive farming societies going back as far as 12,000 years ago had to deal with the powerful effects of climate change – similar to what modern society fear today, according a new study. A team of German researchers working out of Tübingen University collected

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New Rules Could Block Biofuel’s Alien Invaders

Aug 10th, 2014 | By

Climate News Network: Researchers in the US have warned those anxious to cut greenhouse emissions to make quite sure that the cure they choose will not turn out worse than the disease. They have developed a tool that should help to avoid the danger that efforts to address climate change could allow invasive plant species to

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Pollution Triples Mercury Levels in Ocean Surface Waters, Study Finds

Aug 7th, 2014 | By
toxic metal pollution : A sewage drain floods into the Mediterranean sea

The Guardian: The amount of mercury near the surface of many of the world’s oceans has tripled as the result of our polluting activities, a new study has found, with potentially damaging implications for marine life as the result of the accumulation of the toxic metal. Mercury is accumulating in the surface layers of the seas faster than in the

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Antarctic Ice Sheet Formed by CO2 Reduction, Not Shifting Continents

Aug 2nd, 2014 | By

Thirty-four million years ago the Antarctic glaciated, forming an ice sheet rather abruptly. For the past 40 years, the textbook theory for this formation was that shifting continents induced a worldwide cooling phenomenon and the ice sheet took shape. Researchers at the University of New Hamps hire are proponents of a different theory of Antarctic

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To Cut Carbon Emissions, Give Communities Rights to Forest Land

Jul 29th, 2014 | By

(Thomson Reuters Foundation) – Giving forest communities secure rights to their land is an effective but underused way to limit carbon emissions from deforestation, a report showed on Thursday. Communities are far more likely to stop trees being cut down than governments or business, found the research issued by the World Resources Institute (WRI), a U.S.-based research

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Temperature Rise Affecting India’s Wheat Production: Study

Jul 24th, 2014 | By

IANS: The recent rise in temperatures is taking a toll on India’s wheat production, an alarming study by geographers at the University of Southampton in Britain said. A rise in night time temperatures is negatively affecting crop yield the most, the findings showed. “Our findings highlight the vulnerability of India’s wheat production system to temperature rise,

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Study Highlights New Agricultural Methods and Technologies that can Conserve Vital Natural Resources

Jul 17th, 2014 | By

UNEP News Center: A shift in agricultural policy to encourage crop diversification and use of new water and energy saving technologies could save millions of hectare-metres (ha m) of water annually, as well as millions of dollars in energy costs, finds a new United Nations Environment Programme (UNEP) and partner food security study. The study, which

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Emissions are Fuelling Australian Droughts

Jul 17th, 2014 | By

Climate News Network: American scientists have just confirmed that parts of Australia are being slowly parched because of greenhouse gas emissions – which means that the long-term decline in rainfall over south and south-west Australia is a consequence of fossil fuel burning and depletion of the ozone layer by human activity. Such a finding is significant

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New Research Seeks to Gauge Forests’ Role in Climate Adaptation

Jul 15th, 2014 | By

We know that forests can mitigate climate change. But what of forests’ ability to help us adapt to it? The former has been well-established; the latter has not. This knowledge gap has spurred a study of rural communities’ forest-based strategies for resilience to climate variations across three continents. Preliminary results from their research in Indonesia

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Gene Machinery Helps Plants Handle CO2 Rise

Jul 10th, 2014 | By

Climate News Network: Biologists in the US have identified the genetic machinery that tells a plant how to respond to more carbon dioxide caused by the burning of fossil fuels. Four genes from three different gene families together control the density of stomata, or breathing pores, on the foliage of the healthy plant. As carbon dioxide levels in

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Arctic Warming Upsets Birds’ Breeding Calendar

Jul 8th, 2014 | By

Climate News Network: Arctic migrants are nesting up to seven days earlier as the world warms. The sandpiper makes a beeline for the Alaskan shores, to join the phalarope on the beach and the songbirds in the woods − and all because the winter snows are melting earlier. Conservation scientists Joe Liebezeit and Steve Zack –

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Stopping Harmful Climate Change is Surprisingly Cheap

Jul 5th, 2014 | By

New Scientist: Saving our skins might be surprisingly cheap. To avoid dangerous climate change, the world needs to boost spending on green energy by $1 trillion a year. That sounds scarily large, but we could cover a lot of it using the subsidies currently handed to fossil fuels. Governments have agreed to limit global warming to 2°C,

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Climate Change Altering Rhododendron Bloom Time: Report

Jul 1st, 2014 | By

The Hindu: The blooming of rhododendrons heralds the onset of spring in the Himalayas, but thanks to climate change they are now flowering early in the winter itself, research shows. A study by a group of scientists of the G.B. Pant Institute of Himalayan Environment and Development, Almora, has generated evidences of changes in flowering phenology

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‘India’s Rain Pattern Has Changed’

Jun 25th, 2014 | By

The monsoon, which provides 80 per cent of the total rainfall in the subcontinent and on which India is completely dependent for its agriculture, is witnessing disturbing changes. There has been a decline in the average total seasonal rain during the period 1980-2011, according to a new study. The study was carried out by Stanford

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Climate Change Will Increase Flow in Asia’s Big Rivers

Jun 22nd, 2014 | By

SciDev.Net: Climate change will cause water levels in Asia’s five major river systems, that are fed by Himalayan glaciers, to increase at least until 2050, a new study predicts. Led by Arthur Lutz, post-doctoral researcher at Utrecht University, the Netherlands, the study predicts an increase in water availability for the upstream basins of the Indus, Ganges, Brahmaputra, Salween

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New Study Improves Measurements of the Warming Oceans

Jun 20th, 2014 | By

Heating of the oceans is, pardon the pun, a hot subject. There is a broad recognition that the oceans, which absorb approximately 90% of excess greenhouse gas energy, are key not only to how fast the planet will warm, but also how hot it will get in the end. Many recent studies have tried to

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El Niño Means 2014 Could be Hottest Year Ever

Jun 16th, 2014 | By

This year could be the hottest ever, due to the high possibility of an El Niño weather phenomenon. Piers Forster, a professor of climate change at Leeds University, told RTCC that an El Niño combined with the effects of global warming, could make 2014 the hottest year on record. “The prediction that 2014 will be

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How Earth Avoided Global Warming in the Past

Jun 12th, 2014 | By

A new study has revealed that development of a huge mountain range in the middle of the ancient supercontinent, Pangea helped Earth to avoid huge rise in atmospheric CO2 last time. Dr Yves Godderis said that the formation of these mountains meant that the rock weathering, which was threatening to slow to a walk through

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Chimera Enzyme May Make Better Biofuels from Waste

Jun 11th, 2014 | By

New Scientist: A chemical chimera may one day help break down stubborn plant matter into biofuel. The feat involves mixing enzymes from two types of plant-munching bacteria that would never have met in nature. Biofuel producers use the sugars in crops such as corn to create alternative fuel that is more climate friendly than gas or coal. But

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Chinese Study Puts Sun In Frame For Global Warming

Jun 6th, 2014 | By

Research from China published in a peer reviewed Chinese language journal claims that there is a strong correlation between solar output and the warming of the Earth and implies that the climate models used by the Intergovernmental Panel on Climate Change (IPCC) may have “underestimated” the impact of natural factors on climate change. The recent

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Threat From New Gases Found In Air

Jun 4th, 2014 | By

Climate News Network: Twenty-five years after the world first moved to protect the ozone layer, British scientists have found three new potentially damaging gases in the atmosphere. While they do not expect the gases to do much damage to the ozone layer, think they may add to global warming. The scientists, at the University of East Anglia

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Glacier Feeding Indus Tributary Melting Fast, JNU Study Says

Jun 1st, 2014 | By

Times News Network:  This could be worrisome for Himalayan glaciers. A team from Jawaharlal Nehru University has found significantly accelerated ice melting on Chhota Shigri glacier in Lahaul and Spiti over the last 10 years. The JNU team, which has been studying the glacier for several years to understand the impact of climate change, has

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Facing Similar Risks, Africa and Asia Coordinate Research on Climate Change

May 14th, 2014 | By

(Thomson Reuters Foundation) – Scientists from Africa and Asia will collaborate on research into climate risks in order to share knowledge between regions and help vulnerable communities adapt. Speaking at the launch of the Collaborative Adaptation Research Initiative in Africa and Asia (CARIAA) in Kathmandu on April 30, leaders of the organisations involved in the

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Study: Most Himalayan Glaciers Staying Stable

May 13th, 2014 | By

A new study has found that most Himalayan glaciers are stable and in a steady state compared to the results of other studies carried out for the period prior to 2001. The Global Warming Policy Foundation (GWPF) explained that in the last decade the period of monitoring almost corresponds to a hiatus in global warming. The study’s

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Earth ‘Deforming’ Faster as Ice Melts, Scientists Warn

May 12th, 2014 | By

The mantle below the earth’s crust in Antarctica is flowing much faster than expected owing to ice melting at a greater speed on the surface, research has shown. “Seeing this sort of deformation of the earth at such a rate is unprecedented in Antarctica. What is particularly interesting here is that we can actually see

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How a Few Species Are Hacking Climate Change

May 7th, 2014 | By

National Geographic: As the Earth heats up, animals and plants are not necessarily helpless. They can move to cooler climes; they can stay put and adapt as individuals to their warmer environment, and they can even adapt as a species, by evolving. The big question is, will they be able to do any of that quickly

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East Antarctica More at Risk Than Thought to Long-term Thaw: Study

May 5th, 2014 | By

(Reuters) – Part of East Antarctica is more vulnerable than expected to a thaw that could trigger an unstoppable slide of ice into the ocean and raise world sea levels for thousands of years, a study showed on Sunday. The Wilkes Basin in East Antarctica, stretching more than 1,000 km (600 miles) inland, has enough ice to raise

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Soils May Absorb Less CO2 Than Thought

May 4th, 2014 | By

Climate News Network: Scientists from the US, China and Ireland may have settled one big question about climate change: don’t rely on the soil microbes to help damp down the temperatures. They report in Science that as carbon dioxide levels rise, and temperatures increase, so does the turnover of carbon in the soil. That means

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Flat Denial Rejects ‘Very Likely’ Science

Apr 28th, 2014 | By

Climate News Network: The odds that global warming of almost 1°C since 1880 is just a natural fluctuation are very low: less than one in a hundred and probably less than one in a thousand, according to a study in the journal Climate Dynamics. Shaun Lovejoy of McGill University in Canada didn’t play with computer simulations:

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TERI Launches Service to Make Green Literature People-friendly

Apr 28th, 2014 | By

Times News Network: The Energy and Resources Institute (TERI) has launched a feature service to make environmental literature easier to understand and more accessible to the common man. The service, launched last week, will publish news, views and analyses every fortnight on issues such as water, climate change, energy, air pollution, biodiversity and biotechnology When the

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Be a Demitarian and Cool the Climate

Apr 27th, 2014 | By

Climate News Network: We are what we eat? Probably – and what’s true for us is, for better or worse, true for the atmosphere too. New evidence suggests that halving the amount of animal products people eat in Europe would not only make them much healthier: it would also cut climate emissions by at least a

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Science Finds New Routes to Energy

Apr 17th, 2014 | By

Climate News Network: While politicians posture, and climate scientists sigh sadly, researchers in laboratories continue to devise ingenious new ways to save energy, increase efficiency, and make the most of solar power. Darren Drewry of the Jet Propulsion Laboratory in California and two colleagues from the University of Illinois have a computer model that could design

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More CO2 Limits Plants’ Protein Output

Apr 13th, 2014 | By

As global temperatures rise, more than one third of the land surface may become more arid. Although there will be changes in rainfall patterns, heat – and the attendant evaporation of the soil – could extend ever drier conditions to more and more farmland and cities, according to research in the journal Climate Dynamics. The new

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