Liberal Sen. Mitchell 'lightens up' climate change debate

The world was in Copenhagen, Denmark, last week to discuss climate change. Senators also got into a heated exchange in the Upper Chamber when Liberal Grant Mitchell raised a question on the government's climate change policy.

Sen. Mitchell asked Marjory LeBreton, the government leader in the Senate, if she could confirm that the Conservatives are sticking to their 20 per cent reduction target of 2006 levels by 2020 rather...