Toronto Star, The Scary New Math of Warming; published 21 November 2009 by Peter Gorrie
A recent environmental summit set ambitious new targets for reducing greenhouse gasses.
If new environmental campaigns take hold, you’ll hear a lot about two numbers during the next few months. If they succeed, you could find yourself living, and thinking, differently.
The numbers are 350 and 50.
The first is a target for reducing the carbon dioxide in Earth’s atmosphere. The second refers to the minimum percentage of land and ocean that must be protected from development to ward off climate change and prevent the extinction of many plants and animals.