Even if you're a casual election observer, you've probably heard something about "carbon pricing" in this campaign. Because it's such a crucial way to cut Canada's greenhouse gas pollution, we decided to take a closer look at the major parties' commitments on carbon pricing.

From the chaos on Wall Street to the outbreak of listeriosis, Canadians have been hearing a lot about risk lately. It's emerged on the campaign trail as well, where Stephen Harper has called a tax on greenhouse gas pollution an "economic risk" to Canada. We can't assess the risk of acting on climate change without looking at the risk of climate change itself and the benefits of taking action.

This election seems to have many Canadians scratching their heads: What's it about? Who should I vote for? Why should I vote at all? The answers to these questions depend on whether you think the environment — and more particularly taking action on climate change right now — really matters.

Canada's Conservative government has come a long way in acknowledging the importance of climate change. But will the government's proposed policies put a meaningful price on greenhouse gas (GHG) emissions? And what is the likelihood that those policies will actually be implemented?

Just as British Columbia passes the first carbon tax in Canada into law, a new poll by McAllister Opinion Research has revealed that more than 70 per cent of Canadians support British Columbia's carbon tax as a "positive step" towards reducing greenhouse gas emissions.

When Canada's federal government published an update to its regulatory approach for heavy industry this month, environmentalists hoped that this much-criticized proposal had been strengthened. Instead, it offered a mixed bag that probably served to weaken an already feeble approach.

"The most important thing for solving climate change is new technology." Versions of this statement are common in business leaders' commentary on climate change. But what if this thinking was actually a diversion from what most needs to be done to solve the problem?

Nairobi - La conférence des Nation unies qui vient de prendre fin à Nairobi aura mis au grand jour un véritable gouffre entre l'urgence de lutter contre les changements climatiques et l'embourbement des gouvernements dans des négociations à l'allure glaciale.