All for a smoke

Cultivation and production of tobacco is consuming forests in southern Brazil

Costing the waste

Poisoned childhood

With warm regrets

Global warming is causing glaciers on the Himalaya to melt into natural lakes. This threatens the lives of indigenous people and animals

Is the freeze coming?

A US scientist says that the Aswan dam would lead to an ice age in the Northern hemisphere

Cool and dangerous

Good vibrations

Researchers say electricity does not cause leukaemia

Silence of the birds

Large-scale logging in the tropics has led to the disappearance of bird species

A fishy remedy

What price, gorilla meat

African bushmen stand the risk of contracting deadly viruses from bushmeat

To bee or not to bee

The bumble-bee falls victim to the hi-tech floriculture techniques of gardeners in the UK

Virus alert

A genetically engineered viral contraceptive for mice could sterilise non-targeted species

Nitrogen turns sour

Rising levels of nitrogen in soils are increasing global warming

Nature's own pest controller

A venomous Australian spider provides clues on how to make safer pesticides

Problems of solutions

Birth control measures in African elephants have been withdrawn following undesirable results

Something in the air

The quality of air has improved in California after re-formulated petrol was made mandatory

A problem of plenty

The increasing population of Antarctic fur seals threatens the ecology of the region

Bear business

The growing demand for bear products might jeopardise the existence of several rare species in Asia

World beneath our feet

Unsustainable use of subsurface environment is escalating. Can geologists find solutions?

Likes and unlikes

Appearances are deceptive, as the case of honey bees demonstrates. Though physiologically alike, queens and workers among bees can be …

The bite that wasn't

Research on snake venom and mongooses could lead to more effective anti-venom drugs

The other side of nitrogen

Excess of any thing is bad, and nitrogen is no exception. The benevolent gas is actually responsible for immense ecological damage

Fishy detectors

Deadly duo

Deadly water