For excellent explanations of how climate change affects our Earth, and what we can do about it, this site has it all. When you visit the site, scan to the bottom of its home page, where you will find four major links which provide an excellent education on the topic.  If you have any young people in your life, please share this page with them. Their future depends on how well we educate ourselves and how livable the Earth will be when the next generation has grown up.