Forecasters predict that the monster climate pattern will combine with global warming to push global temperatures in 2027 to new heights.

Using nitrogen isotopes from ancient and modern fish otoliths and corals, the study shows Caribbean reef food webs are now 60–70% shorter and functionally less diverse, indicating human-driven trophic simplification and increased risk of collapse.

Following decades of mining impacts, South America’s hypersaline wetlands (salars) face increasing threats from lithium extraction to support global decarbonisation. Although globally important, salar...