Amount of coral reefs that will be in ocean waters too acidic for them to survive by 2050: 98 percent

Increase in number of days with conditions favorable for severe storms by 2100: 100 percent

Odds that inland regions of Australia could see temperature increases of more than 4 degrees Centigrade if carbon dioxide emissions remain high: 20 to 50 percent

Number of additional people at risk of hunger due to climate change by 2050: 132 million

Amount by which wheat production in Bangladesh might decrease by 2050 due to climate change: one third

Amount of Asian biodiversity at risk because of climate change: half

Chance that the Atlantic Ocean’s “conveyor belt” that keeps weather mild in Europe could shut down sometime this century if no changes are made to climate policy: 45 percent

Chance that the Atlantic Ocean’s “conveyor belt” that keeps weather mild in Europe could shut down over the next 200 years if no changes are made to climate policy: 70 percent