Toronto Star: On the climate change front, there is rarely any good news.
Just this week, one study found that even if we manage to limit global warming to two degrees Celsius -- the target for current climate negotiations -- sea levels may still rise six metres above their current heights, drastically affecting millions of people and altering coastlines around the world.
But former U.S. vice-president Al Gore -- who was awarded the Nobel Peace Prize for his efforts to build awareness of climate change --...