Raising a stink

Air quality in poultry farms in Europe suffers badly due to ammonia from chicken droppings

New angle on recycling

Wastefrom animal farms can now be recycled into fish food

No monkey business, this

Monkeys are more knowledgeable than humans about the medicinal value ofplants

Pure warmth

Positive impact

Carbon dioxide, maligned for degrading the atmosphere, also enhances vegetative cover

Pollution changeth

Industrial pollution can cause genetic alteration in species

Weaving damage?

Ray of hope

A foodstuff industry fungus finds a new job: cleaning up ash from municipal waste

Power green

Hard choices

... about which regions to conserve have just become easier, thanks to an experiment in Uganda

Victim of changes

High carbon dioxide levels may bring about some unpleasant surprises

Real flower-power

Warmer still

Bad air

Dying wings

Bear minimum

Why should bears cross the road? Simple -- to survive

Back from plant heaven

South Africa tries to bring cycads, plants that coexisted with the dinosaurs, back to life

Toyota's trees

The Japanese carmaker is developing unique trees to absorb car emissions

Walled paper

Global warming, how much?

The efficacy of computer models in assessing climate change remains contentious

Emission predicting

...in the next century may not be very simple, say climate scientists

Dam woes in Japan

Salmon in trouble

Greenland crisis

Study shows glaciers in Greenland are thinning

Rains for Mexico

Mexico City uses technology to make its own wind and rain. But the sceptics are not impressed