GlobalPost: Pests that eat and damage crops are spreading both further north and south due to climate change, according to a new study. Researchers in Britain say that beetles, bacteria, funghi, worms, moths and other pests are moving at a rate of 16 miles per decade - that's faster than theoretical predictions in 2011 that found similar results. Both global warming and human transport are helping them spread, say scientists. The study looked at over 600 pests around the world and found that they were moving...