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NASA scientists reveal evidence on climate change and its likely impacts

NASA's top minds provide comprehensive evidence for the Earth's changing climate.

Self-sufficient homes make us rethink about sustainability

In a small alcove at the rear of the Architecture Building at Carleton University in Ottawa, the future of zero-energy housing is taking shape. When I come to visit, on a searing-hot August day, it doesn't look like much—a wooden frame fitted with vertebrae-like slats up the sides. But when it's complete, in mid-September, this micro-house, measuring just over 200 square feet, will contain the latest technologies in sustainable living.

The tiny house, which is designed to generate all its own electricity, heating, and cooling via solar panels and myriad other state-of-the art technologies, will be hitched up to a trailer and carted around Ontario to demonstrate its off-grid self-sufficiency. It's part of the Northern Nomad project, an idea hatched by Carleton professor Scott Bucking, to get us to re-imagine what it means to be energy-conscious.

Canada is becoming increasingly reliant upon renewable energy

OTTAWA—Two-thirds of Canada's electricity supply now comes from renewable sources such as hydro and wind power, the National Energy Board said in a report released Tuesday.

Renewable energy production jumped 17 per cent between 2005 and 2015. The portion of all electricity in Canada generated by renewables is now 66 per cent, up from 60 per cent a decade earlier.

"I think people don't understand just how much of our generation is the renewables," said NEB chief economist Shelley Milutinovic. "Probably very few people would know Canada produces the second most hydro in the world."

Documentary on coral reefs reminds us that beauty comes with an expiry date

There is a scene in the new Netflix documentary Chasing Coral where the camera zooms in on the unending white of the coral reefs off the Florida coast. Shimmery, the unending beds of coral look striking even in their denuded beauty, until the narrator informs you that the white is a sign of death.

Director Jeff Orlowski, who made the 2012 documentary Chasing Ice, about the melting of the Antarctic glaciers, returns with a new production that scooped up the Audience Award for the Best Documentary at this year’s Sundance Festival. A look at the great underwater biomass and its frighteningly quick depletion, the film is equal parts scary and humbling.