To end and reverse the "insect apocalypse" requires an end to use of some pesticides and fertilisers, and curbing global heating rapidly.

The dearth of insects will harm the many animals that eat them, and this will impact plants too.

Scientists recognize that human overpopulation and overconsumption are among the roots of this developing disaster. It is very important to have fewer children, or none.

But this is a long-term issue; the other recommended actions can have much faster effects.