Biodiversity: A UN review ahead of COP17, opening Oct. 19, says countries are off track on 2030 nature goals, with gaps in both ambition and action. Climate Science: The UN climate panel’s meeting ended without agreement on a timeline for its next major global warming report. Nature & Climate: Brazil says Amazon deforestation has fallen to its lowest level since 1988. A 24-year study in Germany found forest soils’ methane uptake rose about 3% a year under warmer, drier conditions—a finding that may not apply everywhere. Climate Impacts: UN experts warn a strong El Niño threatens coral reefs, while warming Mediterranean beaches are shifting the sex balance of turtle hatchlings. Climate Policy: Canada is exploring international carbon-credit trading to attract investment in emissions cuts and removals. Critics say a separate fast-track projects bill could give cabinet lasting powers to approve projects with weaker environmental scrutiny.