Kelly now holds the American records for both most total days and longest continuous time spent in space. His time orbiting the earth made him realize how fragile it is -- and how important it is to protect it.
The short-term burst of warming in the tropical Pacific (from the monster El Niño) is now combining with the strong underlying long-term global warming trend. So 2015 will likely blow past the record for hottest year just set in 2014. And if history is any guide, 2016 may well top 2015.