Insect Apocalypse 2021 Nature An alarming decline in insect populations could devastate all life on earth. What's causing it, and can anything be done to stop it? Insects are disappearing across the world. If we lost our pollinators, we would lose 80 to 90% of the plants on the planet. That is not an option. It's the ecosystems on this planet that keep humans alive. Scientists warn us that the insect apocalypse is entirely possible.