Using this chart from the NOAA:
Explain how larger than average midwestern flooding in 2008 is due to global warming. For those
who wish to make the argument that global temperatures, not just US
temperatures, matter because the world is one big interelated climate system,
you may use this chart of global temperatures instead in your explanation:
For extra credit, also blame 2008 spike in tornadoes on global warming. Don't forget to explain how global warming caused the late onset of Spring this year and the especially heavy snowfalls over the winter.
Thanks for charts to Anthony