Storm over Sydney

Warmer weather sparks more intense storms

Friday, 8 August 2008

US and British researchers have confirmed the link between warmer climate and an increase in powerful rainstorms, according to a study.

Car exhaust

'Air-purifying' concrete sucks up pollution

Thursday, 7 August 2008

A road in a small Dutch town is to be paved with air-purifying concrete in a trial that could lead to a new method to fight exhaust pollution.

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