Global Warming
WMO Predicts La Niña Return by November
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The World Meteorological Organization has released data indicating that the La Niña climate phenomenon is likely to return between September and November 2025. Despite this cooling effect, global temperatures are expected to remain above average due to ongoing human-induced climate change. The UN Environment Programme emphasized the need for increased climate action to mitigate rising temperatures.
Scientists warn el niño may become more predictable and intense
A new study reveals that the El Niño-Southern Oscillation (ENSO) could intensify and synchronize with other climate patterns due to global warming, potentially leading to more extreme weather by mid-century. Researchers predict a tipping point around 2050 in the tropical Pacific, shifting ENSO from irregular cycles to strong, rhythmic oscillations. This change may heighten risks of rainfall extremes and climate whiplash in regions like Southern California and the Iberian Peninsula.
Scientists uncover nitrogen-fixing bacteria beneath Arctic sea ice
An international team of researchers has discovered that nitrogen-fixing bacteria thrive beneath Arctic sea ice, challenging previous assumptions about nutrient availability in the region. This process, driven by non-cyanobacteria, could boost algae growth and enhance the ocean's CO2 absorption as ice melts. The findings suggest a need to revise models of Arctic ecological changes amid climate warming.
Scientists warn earth has hit first climate tipping point
International climate scientists have warned in a new report that tropical coral reefs have already crossed their tipping point due to rising ocean temperatures. The Global Tipping Points Report 2025 highlights risks of cascading failures in other climate systems if global warming exceeds 1.5°C. The findings come ahead of the 30th World Climate Conference in Brazil.