One-Tonne Challenge

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The One-Tonne Challenge was a challenge presented by the Government of Canada in March 2004 for Canadians to reduce their greenhouse gas emissions by one tonne each year. The figure represents 20% of total greenhouse gas output by Canadians and aims to help the country reach its Kyoto Protocol emission reduction targets.

To promote this program, the government had placed television and print ads featuring comedian Rick Mercer. In one commercial, he describes Canadians as wanting to take the challenge. "C’mon... we’re Canadian... we’re up for a challenge!"

The government urges Canadians to do such things as:

  • Take public transit more often.
  • Idle vehicles less.
  • Use programmable thermostats.
  • Seal windows with caulking and weather-stripping.
  • Compost organic kitchen waste.
  • Support green energy.
  • Water and energy conservation.
  • Purchase electronics that are labelled with Energy Star logo.
  • Recycling.


The program has received a lukewarm reception from the public, having been criticized as ineffective and wasteful. It has been mocked in a This Hour Has 22 Minutes skit.

This program is started by Liberal Party of Canada. However, as of the election of Stephen Harper's Conservative Government, the One Tonne Challenge has been scrapped. An online version can be found at ... One Tonne Challenge

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The one tonne challenge is done by Canadian citizens online.

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