Something’s up with the environment. Sea levels have risen nearly seven inches in the past 100 years, and Arctic ice sheets are shrinking at about 13% a decade, according to NASA. Meanwhile the earth’s surface temperature has been climbing steadily upward, says the University Corporation for Atmospheric Research. But it’s also the era of using big data to find ways to solve environmental problems. Crunching data already helps with reducing traffic jams and lowering crime rates. So why not climate change? Here are five big data projects that could make a difference.