Virginia Museum of Natural History curator claims evidence of global warming | WSLS 10

http://www2.wsls.com/news/2011/mar/02/martinsville-researcher-provides-evidence-global-w-ar-879096/

Many people are skeptical about global warming, so I asked her if there are any other factors that could cause this kind change.

"There's no evidence that I know of.  There's no publications that say there's something else happening," Winston said.