Treeless forest

How shrimp cultivation turned a mangrove forest into a saline desert

Stilted against South

Climate change could rob developing nations of its food security

Simian alert!

The orangutan is threatened by poaching and habitat destruction

Feeling jumpy

Amphibians at risk even from low pesticide concentrations

Salted lands of Australia

Bad cropping practices and ill-planned water management leads to salted Australian farmland

The cutting edge

Conservationists in Brazil come up with a model way to reduce the pressure on forests

Grazing concerns

Over-grazing is leading to the degradation of pasture lands

Corals, maths and satellites

A new mathematical formula will scan satellite images to study changes in coral reefs

Being egged on

Gaseous menace

Scientists and researchers try to figure out ways to curb rising carbon dioxide levels

Tidal spells

Deep ocean currents could hold clues to climate change

Silver lining?

Aerosols mitigate the effects of global warming in India during winters

Oceans turn acidic

Because of more carbon dioxide emissions, warns new study

Deep trouble

Unregulated access threatens marine genetic resources

Plastic oil

Ideal disposal for waste plastic bottles

Remote control

Reduced Himalayan snow cover affects marine life in the Arabian Sea

Postponed

Issues concerning the earth's future took a backseat as unseemly politics ruled the day at the just concluded Earth Summit II SUPRIYA AKERKAR …

More fuelwood = more forests?

In India, where 500 million people out of about 1,000 million depend on forests for their survival, any 'sweet-talk' about wood consumption is …

Flight to extinction

One in eight birds will vanish in the next 100 years, says a new report

Killing dust

African dust clouds cause red tides that kill millions of fish in the Gulf of Mexico

Greening for good?

Global warming increases vegetation cover in the Northern Hemisphere

Heat traps

Aerosols trap heat and increase temperatures

Sink or elevator?

New evidence shows some plantations could actually increase global warming

Weighty task

It is not easy to measure nitrous oxide, a greenhouse gas, emitted from Indian farms

Viral flight

Bird flu reported among wild migratory birds in China