The extinction of species decreases plant productivity and impairs the functions of an ecosystem like mopping up carbon dioxide

Entire tree species face the threat of extinction from the increasing concentration of atmospheric carbon dioxide

A recent finding shows that over 35 billion tonnes of 'mysteriously missing' carbon dioxide from fossil fuels burnt over four decades went to ground in the coniferous forests of the North.

Newly flooded reservoirs, which store water for hydroelectric plants, sometimes generate large amounts of greenhouse gases, comparable to those produced by thermal power plants.

A TEAM of US researchers have said carbon monoxide and hydrocarbon pollution levels in Kathmandu were the highest among Asian cities, writes Jan Sharma in a Panos report. The average carbon monoxide

Microbiologists say a species of bacteria was responsible for iron deposits in the sedimentary layers that run hundreds of kilometres deep in the earth

The US senate is in a dilemma because every alternative they have thought up to the contentious energy tax has received loud protests from some section of the American public.

Plants grow taller and faster if sprayed with a solution of methanol, claims an American farmer

The proposed energy tax has run into heavy weather in Europe, despite strong backing from Denmark, Germany and the Netherlands.

Variations in solar radiations contribute little to global warming and researchers say efforts to check the phenomenon must focus on greenhouse gases.