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Conversations with scientists exploring science-based ways to protect the future of our planet, our children, and other creatures that share our World. We live on a planet in crisis. Scientists have warned us about the rapidly increasing dangers of climate change and destruction of the biosphere - specifically in the 1992, 2017 and 2019 World Scientists’ Warnings which were signed by 1,700; 15,000 and 11,000 scientists respectively when issued.

Oct 24, 2021

A massive decline of insects in the world is more significant and alarming than the amount of news coverage would suggest. Of the million and a half species we’ve named so far on the Earth, one million are insects. Yet there are far fewer insects on the planet today than there have been in the past. Top biologist and insect specialist Dave Goulson discusses biodiversity declines generally, and the huge threat associated with the accompanying insect decline. He articulates the causes and consequences, and what we must do to reverse this frightening decline, focusing on urban areas and farmland.

Dave Goulson is Professor of Biology at the University of Sussex. His most recent book is Silent Earth: Averting the Insect Apocalypse.

This is the audio from a session held as part of the Planet in Crisis – Creating Action for COP26 global online summit. In November 2020, exactly one year before the official COP26 climate conference, Scientists Warning Europe organised this series of online Pre-COP events to raise awareness, push the conversation, show demand, and drive real action. Over 25 events were attended by more than 2,000 people from across the globe.

Scientists Warning Europe presents and promotes science endorsed solutions which will lead to a just transition for our World to a sustainable and equitable future. Learn more, sign up for updates, and support our work at

This podcast series is made possible through the generous help of the GrowthBusters podcast about limits to growth.


Books by Dave Goulson 

Dave Goulson’s YouTube Channel

World Scientists’ Warnings into Action, Local to Global

Scientists Warning Europe

All Three World Scientists’ Warnings

Planet in Crisis Pre-COP Video Series

GrowthBusters podcast

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