US nitrogen oxide emissions have reduced: EPA

The US takes to hybrid vehicles in a big way

Bid to dilute definition of radioactive wastes in the US

Concern over contaminant in Washington s water

Pentagon evades green laws

EPA sued for soft pedalling

On December 3, US President George W Bush gave the green light to the Healthy Forest Restoration Act, declaring that it would help to prevent catastrophic wildfires . But the legislation, requiring US $760 million to be spent annually, is described by en

Pact struck on water sharing in the US

In New York, bus depots are located in areas where coloured people live