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	Podcast:		The Guardian's Science Weekly
	Episode:		‘Everything is quagga mussel now’: can invasive species be stopped?
	Category:		Religion & Spirituality
	Duration:		00:16:11
	Publish Date:		2026-02-05 05:00:20
	Description:		On a recent trip to Lake Geneva in Switzerland, biodiversity reporter Phoebe Weston witnessed the impact of one of the planet’s most potent invasive species, the quagga mussel. In just a decade the mollusc, originally from the Ponto-Caspian region of the Black Sea, has caused irreversible change beneath the surface of the picturesque lake. While ecologists believe invasive species play a major role in more than 60% of plant and animal extinctions, stopping them in their tracks is almost impossible. Phoebe tells Madeleine Finlay how invasive species spread, how conservationists are trying combat them and why some think a radical new approach is needed.. Help support our independent journalism at theguardian.com/sciencepod
	Total Play:		0