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Non-profit organization focused on climate science and climate policy
Global CO2 emissions from fossil fuels and cement are projected to hit record highs in 2025 — roughly 38.1 Gt CO2 in some estimates — after rising about 1.1% in 2025 and 0.8% in 2024, according to the...
GWP100 is the dominant, policy‑facing metric for methane because it converts a pulse of methane into a CO2‑equivalent over a 100‑year horizon, producing values around 25–30× CO2 and enabling consisten...