Shells for safer seas

Japan's scientists harbour the oyster's impressive cleaning powers to keep beaches clean

Culling dilemma

Worst case scenarios

Climate change will not be gradual, but a swift and sudden process

Hunting for good

Oh! zone

Trojan fish?

An owl's day

Chemical protectors

Flowers' chemical compounds shield the plants from herbivorous insects

Hostile to ozone

Four chemicals said to be 'ecofriendly' are destroying the ozone layer

Self cleansing

Cultivating corals

Hot wheels

Tracking the pests

Pesticide resistant flies are observed

Oiled penguins

Pollution tapers off rain

Heating up the red planet

Reclaiming water

What's eating the grasslands?

No one spared

Pesticides linked to dog cancer

Whole lot of trouble

Global warming may aggravate ozone depletion in Arctic

Terminal retreat

Four glaciers of the Baspa basin may dry up due to global warming

An ocean of evidence

First clear evidence of human-induced global warming

Drought is spreading fast

Dry areas increase by 250 pe cent in 30 years

Hot air

Biogas emissions less hazardous than believed

Timber risk

Common preservative can cause arsenic leaching