Arctic ice melt is changing ocean currents

A major ocean current in the Arctic is faster and more turbulent as a result of rapid sea ice melt, a new study from NASA shows. The current is part of a delicate Arctic environment that is now flooded with fresh water, an ...

Mount Everest, the high-altitude rubbish dump

Decades of commercial mountaineering have turned Mount Everest into the world's highest rubbish dump as an increasing number of big-spending climbers pay little attention to the ugly footprint they leave behind.

What's the carbon footprint of an email?

A long list of seemingly harmless everyday actions contribute to emissions of carbon dioxide (CO2) and other climate-altering greenhouse gases.

World's biggest rooftop greenhouse opens in Montreal

Building on a new hanging garden trend, a greenhouse atop a Montreal warehouse growing eggplants and tomatoes to meet demand for locally sourced foods has set a record as the largest in the world.

Recycling plastics might be making things worse

A team of environmental engineers at the University of Strathclyde in Scotland and Dalhousie University Halifax in Canada has found that techniques for recycling plastics may inadvertently lead to increased environmental ...

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