Different Indicators of Climate Change That Have Already Come to Pass
Perhaps part of the reason that the debate about whether or not human actions have contributed to what could very well be a disastrous climate change are the predicted events that have already come to pass. People all over the world are now experiencing the kind of extreme weather that was once experienced as events that only occurred every few centuries. Five hundred-year floods, for instance, have occurred in the Mississippi River Valley twice in the last twenty years.