What's Your Vision for COP 27?

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I was in Egypt by the beautiful coral reefs for COP 27, only three weeks ago now and it's very different. It's cold, not a lot of sunlight but Montreal for those who've not been in this kind of beautiful, elegant place. The Canadians have done a brilliant job organizing this at the last minute. I had the pleasure of sitting down with Prime Minister Justin Trudeau and his Environment Minister Stephen Gilboe to talk about their hopes for the conference. They were very much focused on this big target for protecting 30% of land and sea, 30 by 30. That's what Canada politically really wants from this agreement.

Invasive non-native species are on the rise around the world and, despite efforts to tackle the issue, their numbers are higher than ever. They have become one of the key driving forces behind biodiversity loss, posing an even greater threat to biodiversity than the climate crisis. Monitoring, tracking and managing invasive species is one of the issues up for discussion at the UN’s biodiversity Cop15, which is now in full swing in Montreal, Canada. Ian Sample gets an update on how Cop15 is progressing from biodiversity and environment reporter Patrick Greenfield, and hears from Prof Helen Roy from the UK Centre for Ecology & Hydrology about why invasive species pose such a serious risk to native wildlife. Help support our independent journalism at theguardian.com/sciencepod