Rat populations rising with global heating, experts say poison ineffective

A leading rodentologist argues that traditional poisoning methods are inadequate for managing the growing urban rat infestations linked to climate change, prompting calls for alternative solutions.

First covered Aug 25, 2026 · 7:00 AM PT · 1 article · no longer in the live window

Rat populations rising with global heating, experts say poison ineffective — Image via theguardian.com

Coverage

32d Guardian Environment ‘Not any old vermin’: rats numbers are on the rise thanks to global heating – and poison may not be the answer — Robert Corrigan has been dealing with the ‘smart’ rodents all his life – and believes there are better solutions to deal with the growing infestation in the…

Primary sources

ec.europa.eu European Commission - Have your say

piper.filecamp.com 8Ejn1Rqjopgsnlfj (piper.filecamp.com)

pmc.ncbi.nlm.nih.gov Increasing rat numbers in cities are linked to climate warming, urbanization, and human population

More coverage from around the web

skedaddlewildlife.com How Global Warming Is Affecting Rat Populations

faunalytics.org City Rat Numbers Are Rising With The Climate - Faunalytics

fortune.com Hordes of rats are infesting cities and the $27 billion-a-year problem is only getting worse | Fortune

reason.com There's no evidence that climate change has increased the rat population

wattsupwiththat.com False, Washington Post, Climate Change Isn’t Causing a Rat Crisis

Appeared in: 2026-08-26 (#16)

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