LHASA

CHILE

Many loopholes

Illegal trade of ozone-depleting substances is thriving

Does tropical ozone hole exist? Experts are divided

Tropical ozone hole is about seven times larger than Antarctica and it appears across all seasons

Earth’s magnetic field broke down 42,000 years ago and caused massive sudden climate change

The ozone layer was destroyed, electrical storms raged across the tropics, solar winds generated spectacular light shows, Arctic air poured …

Why ozone levels pose a challenge to food security

When present in the lowest atmospheric layer, ozone becomes a concern for human and plant health.

Wood cuts

THE FUTURE OF WORLD FORESTS: THEIR USE AND CONSERVATION Edited by Kilaparti Ramakrishna and George M Woodwell Publisher: Natraj Publishers, …

Britain sounds red air alert

Searing heat and vehicular emissions skyrocketed ozone levels in Britain, prompting the government to caution against using cars, jogging or even …

Squabbles thwart Third World projects

North vs South differences of opinion and the donor countries' control over funds has impeded the phasing out of ozone-depleting substances in …

Why are we begging for eco-clean technology?

If industrialised countries were legally barred from exporting anything considered eco-unfriendly, industries in the developing countries would …

Hope for Earth

We are producing less CFCs - the main agent for ozone depletion. That, say experts, is a good sign

Ozone layer to recover in 4 decades but aerosol injection may undo gains: UNEP

The success of the Montreal Protocol can inspire climate action, say scientists

Monsoon dates to be revised

Met department says monsoon activity has shifted in the past 60 years  

No lesser evil

Nature's forecasters

Monsoon maps on trees

Growth rings allow for future prediction of drought  

Science & Technology - Briefs

Inbuilt storage

Earth's mantle could be holding three times the water found in oceans

Pollution pangs

High ground-level ozone increases appendicitis risk

Cloud view clears up

Origin of aerosols dictates cloud shape

'Village level forecast will take time'

What prevents Indian scientists from making weather forecasts for farmers? Sailesh Naik, secretary to the Ministry of Earth Sciences, tells …

Arctic ozone depletion creats panic

IN FOCUS

The difference is in the recipe

Wars of the green kind