Collecting carbon in a concrete jungle

Land unsuitable for tree planting could still be used to reduce levels of carbon dioxide in the atmosphere thanks to new research.

Calculating water footprints of animal, plant proteins

Many times more water is needed for the production of meat and other animal products, such as eggs and dairy produce, than for the production of plant products. The University of Twente (The Netherlands) has for the first ...

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.

Biofuels may lead to a 'drink or drive' issue

Rice University scientists warned that the United States must be careful that the new emphasis on developing biofuels as an alternative to imported oil takes into account potential damage to the nation's water resources.

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