There you go. . .
A Timeline of Earth's Average Temperature since the last ice age glaciation. When people say: "The climate has changed before these are the kinds of changes they're talking about.and the beat goes on . . .http://xkcd.com/1732/
There you go. . .
A Timeline of Earth's Average Temperature since the last ice age glaciation. When people say: "The climate has changed before these are the kinds of changes they're talking about.and the beat goes on . . .http://xkcd.com/1732/