Oct. 7, 2010
By Vince Stricherz
UW News and Information
"Even though global warming is not increasing temperatures in the tropics as much as in the northern temperate zone and the Arctic, the metabolic effects on cold-blooded creatures that live there, such as this caiman lizard, will be greater than on creatures living farther north.
In recent decades, documented biological changes in the far Northern Hemisphere -- from species extinctions to shifting geographic ranges -- have been attributed to global warming. Such changes were expected because warming has been fastest in the northern temperate zone and the Arctic. ..."
Link to Nature Article: http://www.nature.com/nature/journal/v467/n7316/edsumm/e101007-08.html