Scientists estimate sea kelp generates $500 bn a year

Undersea kelp forests generate some $500 billion in fishing revenue and other benefits while absorbing five million metric tons of carbon dioxide a year, scientists estimated in a study published Tuesday.

Researchers calculate lost value of landfilled plastic in US

With mountains of plastic waste piling up in landfills and scientists estimating that there will be more plastics by weight than fish in the ocean by 2050, the growing environmental challenge presented to the world by plastics ...

Farming for natural profits in China

A new strategy being rolled out in China relies on the idea that farmers can harvest much more than crops. The idea is that well-managed, diverse agricultural lands can provide flood control, water purification and climate ...

Cornering endangered species

As certain species decline in number, the geographic areas they inhabit also shrink. Still, even with less space to occupy, these decreasing populations manage to remain locally abundant.

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