Africa is a pretty much untapped source of renewable energy, but the world seems to be finally coming round to the continents potential - particularly solar power.
Click the image to see the interactive version
This map shows the percent of total renewable water resources originating outside the country.
Just how much would CO2-emissions decrease if everyone took the coach instead of the car to the airport? That’s what this campaign illustrates.
This trio of images shows changes between 1979 and 2007 in the average date of melt onset in the spring, the first autumn freeze, and the total average increase in the length of the Arctic sea ice melt season.