Toronto Star: The latest report of the U.N. Intergovernmental Panel on Climate Change (IPCC) is explicit: If temperatures rise in the range of 1.5 to 2.5 degrees Celsius above what they were in 1999, up to nearly a third of all species on Earth will likely face an increased risk of extinction. Think of it. One-third of all the different kinds of birds – likely gone. A third of all the various butterflies and wildflowers – gone. Red oak trees might survive, but maybe not the beech; birch trees, but …