Climate change is happening, humans are causing Posted on April 7, 2011April 7, 2006 by admin “Climate change is happening, humans are causing it, and I think this is perhaps the most serious environmental issue facing us.” — Bill Nye Author: Bill Nye Category: environmental Tags: environmental, Bill Nye Spread the love Related posts: I think the environment should be put In a few decades, the relationship between I think the cost of energy will Not all is doom and gloom. We