Ozone levels increase in Delhi, pose health risk

This could lead to a public health crisis as ozone is extremely hazardous to human health

MOP: Challenges galore, but solutions few

On the second day of the meeting, developing countries raise concerns over the phasing out of HFCs; developed countries show little concern

Anxiety helps hasten ozone safety deadlines

Despite Third World pleas for generous grace periods, Montreal Protocol nations have moved forward the phase-out dates for chemicals threatening …

Lurking threat

Nascent, nasty and lethal, ozone has risen to dangerous levels in Delhi, and is increasing in various cities -- damaging human health and …

Ozone: good news and bad news

Hole in the ozone layer is healing, but ground level ozone is destroying crops that could feed a third of India’s poor

Science and Technology - Briefs

Halons grow in India

"Real power lies with people"

Christine Milne , leader of the Tasmanian green party, was recently in New Delhi to attend the New Horizons programme, an effort to promote …

Global warming worryingly close to lower limit set by Paris Agreement: WMO

The risk of losing the race against climate change becomes real as temperature rise globally likely to breach 1.2 degrees by the end of 2016

How a saviour of the ozone hole became a climate change villain – and how we're going to fix it

HFCs were created to replace ozone-damaging chemicals, but they turned out to be major contributors to climate change

The hole truth

NASA discovers the largest ever ozone hole over Antarctica. A wake up call for industrialised countries to reduce greenhouse gas emissions

Substance Abuse

The Montreal Protocol was meant to eliminate Ozone-depleting substances. It is turning out to be a technology trap for Indian industry. And …

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

Ozone-smart, climate-cool

Global Eco Watch: Pregnant Gaur killed in Kerala; 6 held

Down To Earth brings you the top happenings in the world of global ecology 

Safeguarding Ozone and Earth

As we celebrate the 22nd International Day for the Preservation of the Ozone Layer, Down To Earth takes a look at what should be done to …

NASA satellite that revealed ozone holes completes a decade in space

Aura has been sending data which has been invaluable in improving our understanding of pollutants

Here comes the ozone brigade

Indian manufacturers of CFCs are no longer fatalistic about winding up, but they are banding together to overcome ploys that will gag attempts to …

The US' mixed record in green causes

A globalising world requires multilateralism to attain shared goals -- particularly the preservation of ecological security. While this can …

Science and Technology - Briefs

Human-led climate impact rapidly cooling upper atmosphere even as lower atmosphere warms

Study finds stratosphere temperatures 12 to 15 times greater than natural

CFCs black market

Climate change-driven wildfires, heatwaves to worsen air quality & levy additional ‘climate penalty’

Surface ozone levels are expected to increase across heavily polluted areas, particularly in Asia

Concentration of air pollutants significantly increasing over India: IPCC

Just effective decarbonisation policies not enough to bring SO2, NO2, O3 and NH3 to safe levels; clean energy and waste management would be needed

Why indoor pollution is as deadly as its outdoor counterpart

With the continual improvement in our quality of life, indoor air quality has become an important area of concern in the 21st century