Lots of people on-line claim that global warming is a recent invention of scientists who just want to keep getting government grants. I stumbled across this article The Weather IS Changing in Life Magazine. Lots of anecdotes about warmer weather. Several hypotheses were explored, including carbon dioxide buildup, so clearly it isn’t a recent invention.
Here’s some more anecdata. Usually these don’t bloom until February but they’ve been blooming for the last couple of weeks.