China invested heavily in environmental protection in 1998

The Bangkok city administration revived its anti-exhaust campaign by launching 20 motorcycle patrol teams to nab smoke-belching vehicles that may have eluded stationary checkpoints. The teams, each

Zap! And another pollutant bites the dust

In every sphere of human endeavour, the use of biological indicators provides an elegant device, as they do not disrupt the stability of natural ecosystems

It was an experiment to clear the air in polluted Sao Paulo, South America's biggest city, so as to allow Paulistanos breathe more easily. Motorists, depending on the last digit of the licence plate,

An emissions trading programme, introduced in the US to provide incentives to companies for emission control, could be an effective instrument in checking air pollution

Following economic liberalisation, China has seen an upward swing in profits and pollution. The government is now planning to expand a scheme in which factories have to pay a fee according to how

motorists in the country can now contribute to cleaner air by spending a few extra bucks on a device which detects pollutants in the air and then releases oxygen. The gadget, controlled by a