Fertiliser’s true climate impact

Empirical estimates of nitrous oxide levels in environment made

Fatally fixated

Signs of life? Why astronomers are excited about carbon dioxide & methane in atmosphere of alien world

Chemical traces have been found in atmosphere of planet K2-18b, about 124 light-years from Earth

Forest fire atlas to provide information realtime

Online resource reports fire within six hours

Latest report on climate change may turn tables in US

US may finally be pushed to act on the climate change problem

Scientists uncover sheets of ice buried at Mars’ north pole

Composition of these layers could further shed light on the history of Mars and if it ever had favourable conditions to support life

The precarious geopolitics of phosphorous

Both nitrogen and phosphorous are essential to life. Lynchpins both to global food production, circulating through synthesis or export and then …

Polluting fireworks

Low on self defence

Pollution killing atmosphere's self-cleansing mechanism

Searing spell

Current heat wave is not just an aberration, feel experts

Debate over Himalaya's temperature variations

Science & Technology - Briefs

Letters

Early signals

Scientists became aware of acid rain more than a century ago

Deadly dust

Warning in the stalagmites

Ocean sequestring gets more difficult to understand

Cool predictions

The link between Atlantic temperatures and an atmospheric effect that influence winters could lead to prediction of stormy winters in Europe

To save the future

A change is needed in government policy to discourage the use of fossil fuels. Strict pollution control measures have to be implemented

Alarming situation

If fossil fuel emissions go unchecked, there is a possibility of sulphur dioxide emissions increasing four-fold in India by 2020

Rising green heat

Scientists have discovered a new greenhouse gas, which is thousands of times more effective in trapping heat as compared to carbon dioxide

Less acidic rain

Calcium particles neutralise acid in the atmosphere

Carbon dioxide emissions on a 35 per cent high

Science & Technology - Briefs

Countries agreed to ban ozone-depleting chemicals in 1980s — but 5 CFCs are increasing to record levels in atmosphere

The 1987 Montreal protocol restricted the release of chlorofluorocarbons to the atmosphere

Science and Technology - Briefs