Chemical engineers say algal colonies could be the solution to global warming

German biologists have extracted and sequenced deoxyribose nucleic ! acid {DNA) from 20,000-year-old dung found in a cave near Las Vegas, USA. Biochemist Hendrik Poinar and his colleagues at the

There is lot os uncertainly on the question of carbon sinks. To what extent can they actually absorb carbon dioxide emissions? And, should forests in the South be used as CO2 deposits for the North?

THE 20th century is recorded as the hottest in at least a millennium, accord-ing to scientists. Studies of tree rings, ice cores, corals and historical records from Europe and China going back 1,000

The ice layer is thinning and spring arrives sooner than expected. The Arctic is already experiencing the impacts of global warming

Coral reefs in the Andaman Sea are losing their colour, owing to extensive bleaching. Experts say global warming is to blame

The industry, Pentagon and the US navy lobby for the ratification of a sea treaty

Elective caesarean delivery, combined with an antiretroviral drug, can slash chances of infected mothers transmitting AIDS to their babies