Brandon Keim from Wired actually suggests that today's typical NYC weather is a big problem caused by CO2

Obama's Biggest Science Challenges: You Tell Us | Wired Science from Wired.com

When Barack Obama takes office in two and a half months, he will inherit an abundance — some might call it a mess — of science-related challenges.

Most visibly (at least to me, on this 60 degree November day in New York City) is climate change.

November 5 New York City Weather History : Average High 57; Record 78 (1961)