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Climate Change Has Arrived

Through erratic weather patterns, forest fires and glacier melt we are already experiencing the effects of climate change. Worse, the process of climate change, based on the levels of greenhouse gases we have already put in the atmosphere, is likely to increase the severity and frequency of severe weather events. If we allow levels of greenhouse gases to continue to rise, the disasters of today will be dwarfed by future catastrophic impacts. Clearly, one of humanity’s principal challenges in this century will be to stop climate change. To do this, we must drastically reduce our greenhouse gas emissions (GHG) – gases such as carbon dioxide, methane and nitrous oxide that trap heat in the atmosphere, raising global temperature and thereby spurring climate change.

Latest Posts

(ICE) BREAKING NEWS...

By John Bennett

I'm often asked to explain why people should support Sierra Club Canada? “Because we provide one of the best, most up-to-date sources of information on issues impacting the Canadian environment,” I often reply.

For example, late last night I received a high-priority email from our in-house climate expert Paul Beckwith (Paul is a climatologist, physicist and part-time professor with the University of Ottawa). In his email Paul wrote: “John, it’s urgent you see the new NASA satellite visualization of the cracking sea ice between February 17th and March 18th…this has never happened before! Normally the ice just melts at the outer edges but in this case almost the entire ice sheet is on the move and breaking up (which is indicative of the extreme thinness, and slushiness, and weakness of the ice). March is always the time of year when the ice should be strongest ... this is REALLY bad news!... Read more »

Bad news: Arctic icecap cracking up

UPDATE: NEW NASA SATELLITE IMAGERY


 


By Paul Beckwith

The Arctic region of our planet acts as a climatic air conditioner, and the air conditioner is conking out. We have a problem Houston.... Read more »

Feds need to hit reset button

By John Bennett

A few weeks ago, the US Ambassador to Canada hinted that Canada would need to clean up its environmental act if it wanted to see the Keystone XL Pipeline approved. The ambassador was then followed by newly appointed Secretary of State John Kerry, who left a similar impression at a news conference. Of course, all this came on the heels of very strong statements on climate change by President Obama in his recent State of the Union address.

Greenwash Action Plan... Read more »

Statement on Keystone XL Pipeline Report

MEDIA RELEASE, March 1, 2013

OTTAWA -- Sierra Club Canada is very encouraged the U.S. State Department’s conclusion that the United States does not require the Keystone XL Pipeline to meet its energy demands.

“This clears the way for President Obama to reject the Keystone pipeline. If Keystone isn't needed, why would President Obama approve it," said John Bennett, Executive Director of Sierra Club Canada. “This is clearly the most significant conclusion in the 2000 page report.”

Sierra Club Canada has concerns with some sections of the report, namely that the authors took a narrow view in their analysis of overall greenhouse gas implications associated with Tar Sands development.

Sierra Club Canada will continue its review of the State Department's draft environmental impact statement on the Keystone XL Pipeline and will use the 45 day comment period to respond to its shortcomings.... Read more »

            

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