While Harvey was the most damaging weather event this summer, there were other extremes in the U.S.
See how the summer temperatures and rainfall compared to normal this year in these cities.
Temperatures we think of as normal are getting warmer.
Climate change is affecting the key elements in beer production: hops, barley, and water.
Overall, Great Lakes ice cover is on the decline.
Maximum ice cover on the Great Lakes is way down this year and on a long term downward trend.