Humanity falls deeper into ecological debt: study

Humankind will slip next week into ecological debt, having gobbled up in less then nine months more natural resources than the planet can replenish in a year, researchers said Tuesday.

Can geoengineering put the freeze on global warming?

Scientists call it "geoengineering," but in plain speak, it means things like this: blasting tons of sulfate particles into the sky to reflect sunlight away from Earth; filling the ocean with iron filings to grow plankton ...

Canadian government 'knew about sea fertilizing'

Organizers of a controversial ocean fertilization project off Canada's west coast said officials knew of the undertaking but did not stop it, and that it violated no laws.

Canada Green leader warns against fertilizing seas

Canada's lone Green Party member of parliament, Elizabeth May, on Thursday decried the so-called "ocean fertilization" of the Pacific with what she claimed was Ottawa's tacit approval.

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