Study finds toxic mercury is accumulating in the Arctic tundra

Vast amounts of toxic mercury are accumulating in the Arctic tundra, threatening the health and well-being of people, wildlife and waterways, according to a UMass Lowell scientist investigating the source of the pollution.

Time to find a second Earth, WWF says

Carbon pollution and over-use of Earth's natural resources have become so critical that, on current trends, we will need a second planet to meet our needs by 2030, the WWF said on Wednesday.

Relying on 'local food' is a distant dream for most of the world

Globalisation has revolutionized food production and consumption in recent decades, and cultivation has become more efficient As a result, diets have diversified and food availability has increased in around the globe. However, ...

Water should be a human right

In this months PLoS Medicine Editorial, the editors argue that -- despite recent international objections -- access to clean water should be recognised as a human right.

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