The decline in the health of nature around the world poses a threat to the UK's security and prosperity, an intelligence committee has concluded in a long-awaited report. The document warns of "cascading risks" from the degradation of some of the planet's most important ecosystems, including conflict, migration and increased competition for resources. Pointing to the UK's reliance on ecosystems that are "on a pathway to collapse" – such as the Amazon rainforest – the report warns of rising food