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 …

Study challenges cosmic rayclimate link

If rising levels of greenhouse gases aren't pushing up global temperatures, as contrarians argue, what else could be? The leading alternative has been a fickle sun, and the sun's most likely--or most heavily promoted--agent of change has been cosmic rays. Now scientists have published the first comprehensive modeling of how …

The geographic footprint of glacier change

Alpine glaciers leave spectacular records of climate change. Lakes, moraines, and other landforms shaped by past glacier advances and retreats dominate the foreground of nearly all mountain landscapes. These glacial deposits are rich records of past climate that are widespread, obvious, and easily accessible. In many regions without sedimentary or …

High-frequency Holocene glacier fluctuations in New Zealand differ from the Northern Signature

Understanding the timings of interhemispheric climate changes during the Holocene, along with their causes, remains a major problem of climate science. Here, we present a high-resolution 10Be chronology of glacier fluctuations in New Zealand

The future of the Mediterranean: from impacts of climate change to adaptation issues

This report aims to provide a general framework for the implementation of adaptation in the Mediterranean context, based on a number of important clarifications and accompanied by operational recommendations. In the first part the scientific basis of the study will be set, notably from the works of the IPCC. It …

The leading mode of wintertime cold wave frequency in northern China during the last 42 years and its association with Arctic oscillation

This study examined wintertime (November−April) cold wave frequency (CWF) in northern China during the last 42 years and its association with Arctic Oscillation (AO) through analysis of daily mean surface temperature from 280 stations across northern China and European Centre for Medium-Range Weather Forecasts (ECMWF) 40-Year Re-analysis ERA-40 data.

Warming caused by cumulative carbon emissions towards the trillionth tonne

The effect of a cumulative emission of carbon on peak global mean surface temperature is better constrained than the effect of stabilizing the atmospheric composition. The approach is also insensitive to the timing or peak rate of emissions. Using carbon cycle models, it is shown that a trillion tonnes of …

Greenhouse-gas emission targets for limiting global warming to 2 C

The politically defined threshold of dangerous climate change is an increase of 2 degrees Celsius in the mean global temperature. Simulations here show that when carbon dioxide and a full suite of positive and negative radiative forcings are considered, total emissions from 2000 to 2050 of about 1,400 gigatonnes of …

The worst-case scenario

Stephen Schneider explores what a world with 1,000 parts per million of CO2 in its atmosphere might look like.

Great white hope

Geoengineering schemes, such as brightening clouds, are being talked about ever more widely. In the third of three features, Oliver Morton looks at how likely they are to work.

Sucking it up

It's simple to mop carbon dioxide out of the air, but it could cost a lot of money. In the second of three features on the carbon challenge, Nicola Jones talks with the scientists pursuing this strategy.

A burden beyond bearing

The climate situation may be even worse than you think. In the first of three features, Richard Monastersky looks at evidence that keeping carbon dioxide beneath dangerous levels is tougher than previously thought.

Ocean seeding fails

Algae grown to trap CO2 become feed for organisms THE Indo-German experiment to induce algal bloom in the South Atlantic Ocean has been ruined by tiny marine organisms called zooplanktons. They ate half the algae grown by spraying a swathe of the ocean surface with iron dust. The ocean fertilization …

Rain check

Warming of the seas is rerouting monsoon THE monsoon winds are avoiding India for one-third of the months of July and August and taking a route south of its peninsula. This is because the winds have found a highly attractive low pressure region in the eastern part of the Indian …

Science & Technology - Briefs

health sciences Mussels in surgery Natural adhesive proteins secreted by marine mussels may replace sutures in surgery. Sutures, made from sheep intestines, are used to repair tissues in a surgery. Sutures can cause infection and inflammation. Synthetic adhesives are also used to repair tissues but they are not biodegradable and …

Global climatic changes affecting local weather: Expert

AHMEDABAD: Global climatic changes are affecting local weather and climatic conditions, observed Sanjay Limaye, planetary scientist from University of Wisconsin, US, during a popular science lecture organised at Gujarat Science City on Tuesday. On combating extreme conditions of ongoing climatic changes, Limaye said, "We need carbon dioxide measurement systems to …

Did lead cause global cooling?

Atmospheric particles containing lead might have offset the Earth's warming in the 20th century.

Why Antarctic ice is growing despite global warming

The southern ozone hole has changed weather patterns around Antarctica and cooled the air above the east part of the continent, according to new research.

  1. 1
  2. ...
  3. 63
  4. 64
  5. 65
  6. 66
  7. 67
  8. ...
  9. 84

IEP child categories loading...