Back in 1991 Isaac Asimov and Frederik Pohl published a nonfiction book about global warming, the environment and the solutions – Our Angry Earth
Listen to the segment on effects of global warming, based on the knowledge known 25 years ago.
More info http://en.wikipedia.org/wiki/Our_Angry_Earth
https://books.google.com/books/about/Our_Angry_Earth.html?id=iGaGQgAACAAJ&redir_esc=y
You can watch the entire segment here https://www.youtube.com/watch?v=Jw2AIVD7KYo