This week,

• Jordan Poppenk speaks with photographer Edward Burtynsky and filmmaker Jennifer Baichwal about the ecological story behind their award-winning film, Manufactured Landscapes.
• We respond to listener comments about the climate change show.

The week’s headlines in brief:

• Today is Buy Nothing Day, a day on day on which consumers are encouraged to hold off on all avoidable purchases;
• The Toronto Transit Commission has unveiled a new transit token to foil counterfeiters;
• Canadian adults place environmental issues at the top of their political agenda, according to a poll by Decima Research;
• Animal and plant species have begun dying off or changing sooner than predicted because of global warming, according to a meta-review of 866 research studies;
• China’s pollution problem has worsened this year despite anti-pollution efforts due to the demands of a surging economy, according to Chinese state media;
• Scientists have suggested a last-resort approach to cooling the earth if global warming heats the Earth too dangerously involving a layer of pollution deliberately spewed into the atmosphere;
• Delegates at the UN conference on climate change in Nairobi, Kenya failed to set a deadline for reaching agreement on new targets for reducing greenhouse gas emissions after the Kyoto Protocol ends in 2012.

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