Warning on warming: On the UNEP report, Limiting Overshoot
The UNEP's 'Limiting Overshoot' report warns that global temperatures are likely to exceed the 1.5°C threshold, necessitating a strategy to peak and then reduce warming. It highlights the critical need to address non-CO2 greenhouse gases like methane, while noting the ongoing tension between developed and developing nations regarding climate finance.
Why it matters
The report underscores the scientific consensus that current climate pledges are insufficient, emphasizing that immediate action on methane is essential to prevent irreversible environmental damage.
The United Nations Environment Programme’s report, Limiting Overshoot , is a reminder that breaching the 1.5°C global warming limit would bring irreversible losses that adaptation cannot undo. Were all countries to deliver on their climate pledges today, the globe is still poised to heat 1.8°C and on current policies, 2.6°C. Given that the limit has already been breached — and, with the ongoing heating in the central equatorial Pacific expected to burgeon into one of the strongest El Niños in recent history, likely again in 2027 — the report is an acceptance of the scientific reality that we are in a 1.5°C world, while resisting the conclusion that nothing more can be done.
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