A team of researchers from the universities of Exeter and Oxford in the UK finds that many crop pests are spreading away from the tropics towards the north and south poles at an average rate of about two miles (3 kilometers) a year. While the spread is mostly facilitated by human transportation, the new study suggests that warming temperatures are allowing these organisms to flourish in regions that were once too cold for them to survive... To continue reading, subscribe to Science Recorder today.
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