In some places, it’s much warmer than usual. That’s so many instances of climate change, of course.

I some places, it’s much colder than usual. That’s also evidence of climate change.

Good technical article in the Wall Street Journal of  5/8/13  to remind us that  CO2 is plant food. The more CO2 the more plants, and the more food for humans. It’s by NASA astronaut Harrison H. Schmitt and W. Happer, a professor of Physics at Princeton.