For RL - Polar ozone holes and the ice cap melting
http://space.newscientist.com/channel/space-tech/space-shuttle/mg13117854.400
Maybe no one else thinks these are related, but I had and have my suspicions, and I was not alone in this at the time.
NASA is currently supporting upper atmospheric investigations in Alasks, but I don't think that TOMS is running anymore.
I just plain don;'t like solids for manned space flight, and I really don't like the stick.
Things have turned out exactly the way that many of us feared when Griffin announced his Mars/Moon architecture.