Climate Science

Order of the National Green Tribunal regarding deterioration of Nayar river, Uttarakhand, 05/06/2025

Order of the National Green Tribunal in the matter of In Re: News Item titled "Nayar river is vanishing - a yatra reveals conservation goes beyond science and policy" appearing in ‘The Down To Earth’ dated 03.06.2025. The original application was registered suo-motu based on the news item titled "Nayar …

Stimulus gives DOE billions for carbon-capture projects

Industrial-scale attempts to capture CO2 from coal-burning power plants or oil refineries and lock it away deep underground are getting an unprecedented boost from the U.S. government's $787 billion stimulus package.

Tipping pointedly colder

Data from multiple ocean basins elucidate an ancient climate transition from greenhouse to icehouse.

Global cooling during the Eocene-Oligocene climate transition

About 34 million years ago, Earth's climate shifted from a relatively ice-free world to one with glacial conditions on Antarctica characterized by substantial ice sheets. How Earth's temperature changed during this climate transition remains poorly understood, and evidence for Northern Hemisphere polar ice is controversial. Here, we report proxy records …

Interhemispheric Atlantic seesaw response during the last deglaciation

The asynchronous relationship between millennial-scale temperature changes over Greenland and Antarctica during the last glacial period has led to the notion of a bipolar seesaw which acts to redistribute heat depending on the state of meridional overturning circulation within the Atlantic Ocean. Here we present new records from the South …

Carbon in idle croplands

The collapse of the Soviet Union had diverse consequences, not least the abandonment of crop cultivation in many areas. One result has been the vast accumulation of soil organic carbon in the areas affected.

Southern see-saw seen

The bipolar see-saw hypothesis provides an explanation for why temperature shifts in the two hemispheres were out of phase at certain times. The hypothesis has now passed a test of one of its predictions.

International Polar Year: The social pole?

As change in the Arctic accelerates, scientists and indigenous peoples have pressing reasons to work together.

Lizards will roast in a warming world

Global warming is likely to push cold-blooded animals to the limit of their ability to regulate their temperature, a model suggests. http://www.newscientist.com/article/mg20126964.800-lizards-will-roast-in-a-warming-world.html

A matter of humidity

How strong a part does water vapor play in global warming?

The potential for behavioral thermoregulation to buffer cold-blooded animals against climate warming

Increasing concern about the impacts of global warming on biodiversity has stimulated extensive discussion, but methods to translate broad-scale shifts in climate into direct impacts on living animals remain simplistic. A key missing element from models of climatic change impacts on animals is the buffering influence of behavioral thermoregulation. Here, …

Climate change spells more killer fires in Oz

Australia could be in for more forest fires in the coming decades like the ones that have devastated southern Victoria and claimed at least 200 lives so far, besides gutting more than 700 houses. Climate models based on figures provided by the Intergovernmental Panel on Climate Change predict more frequent …

Increasing carbon storage in intact African tropical forests

The response of terrestrial vegetation to a globally changing environment is central to predictions of future levels of atmospheric carbon dioxide. The role of tropical forests is critical because they are carbon-dense and highly productive. Inventory plots across Amazonia show that old-growth forests have increased in carbon storage over recent …

Sink in the African jungle

Apparently pristine African tropical forests are increasing in tree biomass, making them net absorbers of carbon dioxide. Is this a sign of atmospheric change, or of recovery from past trauma?

Indian experts find bacteria to beat global heat

Allahabad: In a major breakthrough that could help in the fight against global warming, a team of five Indian scientists from four institutes of the country have discovered a naturally occurring bacteria which converts carbon dioxide (CO2 ) into a compound found in limestone and chalk. When used as an …

Science & Technology - Briefs

technology Mediaeval books dated by DNA testing Timothy Stinson from the North Carolina State University is using modern dna testing to trace the evolution of the book industry during the Middle Ages. Thousands of volumes, handwritten during the mediaeval period on parchments made of animal skin, still exist today. Scholars …

On hold

Experiment to sink carbon into ocean AN Indo-German experiment to induce a green algal bloom on the surface of the South Atlantic Ocean has been called off for the time being following protests from environmentalists. Scientists with the Alfred Wegener Institute for Polar and Marine Research in Germany and the …

Albedo is the measure

Of how leaves can affect global warming FROM planting a million artificial trees capable of absorbing atmospheric carbon dioxide to growing an algal carpet in the ocean turning it into a carbon storehouse, various attempts at mitigating global warming are on. Andy Ridgewell and his team from the University of …

The world needs a slogan for climate change

We need to learn tricks from the advertising trade to jolt people into action against global catastrophe, says A C Grayling.

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