The latest global assessment of the decline in plant and animal life found some bright spots but recommended significant changes to hunting and other practices to address the risks.
The police in Brazil said on Saturday that they had arrested another person connected to the deaths of Dom Phillips and Bruno Araújo Pereira, and said the men been shot to death.
Dom Phillips, a freelance reporter for The Guardian, and Bruno Araújo Pereira, a Brazilian expert on Indigenous peoples, have been missing in the Amazon since June 5.