Come down to your School Library to find out more about Earth Day and all the issues that we face in terms of protecting life on this planet.
If you are looking for a quick introduction to the scientific understanding of the issues of climate change, this is a great place to start: This is Climate Change: A Visual Guide to the Facts: See for Yourself How the Planet is Warming and What it Means for Us, by David Nelles & Christian Serrer.

What they (the authors) were hoping to find was a book that explained the nuts and bolts of climate change and presented the scientific evidence in a way that was concise and enjoyable to read. After a long and fruitless search, they eventually gave up and instead decided to write it themselves.
“Who’s Behind the Book”, Nelles and Serrer, 128)
An excellent feature of the book is the comprehensive bibliography that can be reached by QR code or by using the given URL. Go here to see the Bibliography.