Courtesy NASA/JPL-Caltech
Source: http://climatekids.nasa.gov/review/greenhouse
Thickness of the atmosphere
Source: http://www.ucar.edu/learn/images/layers.gif
Composition of Earth's atmosphere
Source: Taken from Meteorology Today: An Introduction to the Weather, Climate, and the Environment by C. D. Ahrens.
ocean temperature
Source: http://climate.nasa.gov
By Shahee Ilyas (Own work) [GFDL (http://www.gnu.org/copyleft/fdl.html) or CC-BY-SA-3.0, via Wikimedia Commons
Source: http://commons.wikimedia.org/wiki/File%3AMale-total.jpg
Cracked earth
Melting Glacier
Source: http://e360.yale.edu/slideshow/the_himalayas_melting_glaciers/8/4/
A greenhouse
Courtesy NASA/JPL-Caltech
Source: http://climatekids.nasa.gov/review/greenhouse