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Together, climate change and ozone depletion is proving to be a lethal combination likely to significantly increase the hazards to health and environment, beyond current projections, according to

All ecosystems are exposed to gradual changes in climate, nutrient loading, habitat fragmentation or biotic exploitation. Nature is usually assumed to respond to gradual change in a smooth way. However, studies on lakes, coral reefs, oceans, forests and arid lands have shown that smooth change can be interrupted by sudden drastic switches to a contrasting state. Although diverse events can trigger such shifts, recent studies show that a loss of resilience usually paves the way for a switch to an alternative state.

Madras-based Hydrodrive Systems and Controls, a company that manufactures energy saving devices, claims it has developed an all-fuel catalytic converter. The device pre-treats fuel for clean

The Union Government has issued guidelines on sustainability of drinking water sources through water conservation, rain water harvesting and groundwater recharge. A sum of Rs 36 crore had been

Australia's Labor opposition yesterday set out to woo the green vote, pledging to ratify the ailing Kyoto protocol on climate change if it wins a tough November 10 general election. The 1997

The European Union would have the first international market place for trade in the gases responsible for global warming under proposals to be unveiled by the European Commission later this month.

Canadian aluminum producer Alcan Inc said yesterday the company will reduce its greenhouse gas (GHG) emissions by 500,000 tonnes in a new program during the next four years.

Several species of plants in the U.S. Midwest could become extinct within 30 years if climate conditions continue to become drier and warmer as many experts predict, researchers have said. A team of

The uncertainty of climate change because of global warming is much greater than once thought, and as a result, policymakers should adopt a robust, adaptive decision strategy to cope with potential

The official New China News Agency said 12 other people were injured by the collapse on Wednesday morning of the Dalugou dam in Huili county of Sichuan Province, 1,250 miles southwest of

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