Polish researchers invent anti-smog sound cannon

In a battle against Poland's constant smog, scientists are testing out a new "cannon" that uses soundwaves to push toxic particles higher into the atmosphere to allow residents to breathe.

Haze smoke affects butterfly caterpillars

NUS biologists have discovered that haze affects the survival and development of butterflies, which could have an adverse impact on our environment.

Air pollution 'silent killer' in African cities: study

Pollution in Africa's fast-expanding cities is deadlier than thought, yet green solutions could save tens of thousands of lives and avert billions of dollars in damage, a report said Thursday.

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