The Carbon Almanac is a great resource explaining the challenges the world faces as the climate changes. With it's rich graphics, The digital version of the book is an especially nice read on the iPad for around $15 or through any library that loans out digital copies.
Also, especially cool & helpful for kids is that, Generation Carbon, the children's version of The Carbon Almanac is available for "free" via download on TheCarbonAlmanac.org.
1) Download Generation Carbon, THE Kids Version of The CARBON ALMANAC FOR FREE (PDF)
2) UPLOAD FREE (PDF) Version Of GENERATION CARBON TO KINDLE LIBRARY
3)Let Kids READ On KINDLE IpAD APP OR Read IT WITH THEM
