Published: August 30, 2018
Rising temperatures make insects eat and breed more, leading to food losses growing world population cannot afford, say scientists
Rising global temperatures mean pests will devour far more of the world’s crops, according to the first global analysis of the subject, even if climate change is restricted to the international target of 2C.
Increasing heat boosts both the number and appetite of insects, and researchers project they will destroy almost 50% more wheat than they do today with a 2C rise, and 30% more maize. Rice, the third key staple, is less affected as it is grown in the tropics, which are already near the optimal temperature for insects – although bugs will still eat 20% more.
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