Also, insects depend on their surroundings for body warmth or cooling, so changing temperatures make a huge difference in their lives, says coauthor Dilip Venugopal, an applied ecologist working as a policy fellow at the U.S. Environmental Protection Agency in Washington, D.C. Pests evolving resistance to Bt might do so faster when a warming landscape, for instance, lets them squeeze extra generations into a year and
gives earworms a better chance of surviving the winter.