The Singapore pavilion at the United Nations climate talks has been offering attendees free beer with an ingredient surprising to many: treated wastewater.

Here’s the latest news concerning the climate and biodiversity loss crises, from the steps leaders are taking to address the problems to all the latest science. In climate news this week: • COP29: ‘Sewage beer’ highlights water crisis in Singapore • COP29: UN talks in disarray as a rough draft deal for climate cash is rejected by developing nations • Water again flowing at Red Slough on the Pitt River,

In the sprawling pavilion section of the United Nations climate talks, where countries, nonprofits and tech companies use big, flashy signs to get the attention of the thousands of people walking through,