Doctor warns vanishing bugs spell 'chaos and death' for human race in the near futureAlarm over the rapid decline of insect populations worldwide, warning the crisis could threaten food security, nutrition and public health far beyond making coffee and chocolate more expensiveView Image When was the last time you had to clean bugs off your windshield? A top doctor has warned that the world's insects are vanishing at an alarming rate, and this eerie silence could spell disaster for humanity's future. ‌The swift decline in global insect populations is causing concern among medical professionals, who argue that the repercussions will extend beyond ecology to affect food security, nutrition, and public health. Subscribe to our weekly weird science newsletterAbout three-quarters of worldwide crops depend on animal pollination, primarily by insects. ‌The drop in insect populations shouldn't be surprising.