Global Warming 2025 Update

Global Warming 2025 Update. January 2025 continues the run started in july 2023 of each individual month being at least 1.5 °c warmer than the 1850 to 1900 average. Welcome to our first quarterly update for 2025.

Despite an escalating climate crisis marked by unprecedented wildfires, storms, floods, and droughts, our annual global temperature update shows global warming projections for 2100 are flatlining,. Changing course to limit global warming to 1.5 degrees c (2.7 degrees f) — with no or limited overshoot — will instead require deep ghg emissions reductions in the near.