Toronoto Star: What happens when, bit by bit, the Earth turns warmer?
It leads to extreme weather: In 2012, the United States was stricken by a severe drought in its south and southwest, torrential rains in Beijing killed more than 70 people, half of the Philippines capital, Manila, was submerged by rains, and flash-floods and landslides in Bangladesh affected a million people.
Now there are wildfires in Australia, spreading with rare and dangerous speed. And with temperatures predicted to hit a record high...