Hydrogen fuel is hostile to stratospheric ozone
By using hydrogen fuel cells -- the best alternatives to fossil fuels -- we may be heading towards another environmental disaster
Raining troubles
Little-understood western disturbances have been blamed for most of the freak weather events in India in the past decade. With 50 per cent of its …
India's Mangalyaan is halfway to Mars
Course correction procedure scheduled in April cancelled as the Mars orbiter is already on the right path, says ISRO
Double trouble
Two layers of black carbon, a pollutant causing greenhouse effect, have been found over Guwahati. Usually there is just one
In search of ancient life: NASA Perseverance lands on Mars
The rover will now begin its two-year-long investigation to assess the geology and past climate of the Red planet
Space Race 2.0: Is this democratisation of space or a high-tech coup?
A handful of billionaires are working hard to make space colonisation a reality. In the process they are reviving a sector that had stagnated for …
Screening smoke
Unexpected photography from aboard a space shuttle reveals patches of sulphate aerosols which keep some industrial pockets cooler
Severe fog: Met department in dark
The rising trend of murky days in recent years has failed to spur the Indian Meterological Department into action. Quite clearly, the need of the …
Nature cares
Nature has proved to be much more successful in removing excess carbon monoxide from atmosphere
Alarming pollution levels a threat to West Africa's weather
Atmosphere above the region is still one of the least studied and understood on the planet, says research
Is Arctic rush worth it?
With Shell's proposed oil exploration in the Chukchi Sea, we revisit the potential impact of exploring oil, natural gas, minerals and fish …
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
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
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
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
Climate of irrationality
Developed and developing countries are divided over regulating super greenhouse gases under Montreal Protocol
Acid rain arriving soon in India
It wreaked havoc in Europe. Now scientists are worried that acid rain may soon acquire grave proportions in India. Acid rainwater may cause …
Capturing the monsoons
It's a season that inspires and engages everyone, from the farmer to the policy maker. From the scientist to the travel writer. From the …
Compromising on climate
Jan Pronk, chairperson of climate change talks held in New York, offers a compromise plan that gives away too much on sinks
The cold rush
What has India got to show after 20 years on the Antarctica research bandwagon? Lack of focus
Suffering from myopia
George Bush may not understand the 'science' of climate change. But the corporate houses behind him will soon understand the global benefits of …
The gas game
Fluorocarbons, which created a hole in the ozone layer, have generated intense global debates. But these have been more about business than …