Key developments
WMO flags likely 1.5C breach by 2030
The World Meteorological Organization, working with the UK Met Office, says there is a 91% chance that at least one year between 2026 and 2030 will exceed 1.5C above the 1850-1900 baseline. It also projects annual global near-surface temperatures of about 1.3C to 1.9C above pre-industrial levels through 2030 and gives an 86% chance that one of the next five years will set a new record. The report says returning El Niño conditions could amplify the next temperature spike.
Why it matters
It shows the Paris temperature limit is likely to be crossed temporarily in the near term, sharpening adaptation and emissions pressure.
Sources & driving stories
EARTH.ORG · Martina Igini
Earth.Org coverageTrump EPA rolls back HFC phaseout timeline
President Donald Trump and EPA Administrator Lee Zeldin announced changes that delay the phase-down of high-global-warming hydrofluorocarbons used in air conditioning and refrigeration and would also exempt refrigerated trucks from leak-repair requirements. The EPA's own assessment says the rollback would add 68 million metric tons of CO2e by 2050 compared with the no-rollback baseline, even as the agency projects more than $2.4 billion in claimed consumer savings over 25 years. Industry groups say the changes will raise costs and disrupt the transition already underway under the 2020 AIM Act.
Why it matters
HFC controls are one of the fastest ways to cut warming from cooling systems, so weakening them has direct climate and economic consequences.
Sources & driving stories
INSIDE CLIMATE NEWS · Phil McKenna
Inside Climate News coverageHigh-tide flooding may sharply raise senior deaths
A Lancet Planetary Health study coauthored by Florida State University's Mathew Hauer projects that routine high-tide flooding could drive a 43-fold increase in premature deaths among U.S. adults 65 and older by 2100 without major adaptation. Florida is expected to be the hardest-hit state, with 360 to 1,590 annual fatalities by 2060 and 24% to 38% of all coastal contiguous U.S. high-tide-flooding deaths. The researchers say elevating roads, siting hospitals better, and similar measures could reduce deaths by 57%.
Why it matters
It reframes nuisance flooding as a mortality risk and points to concrete infrastructure changes that could save lives.
Sources & driving stories
THE INVADING SEA · Jenny Ralph Moses
The Invading Sea coverageWorth noting
WORTH NOTING
India-Pakistan heatwave turned deadly
The article links a severe April heatwave to climate change, with temperatures above 46C, record electricity demand, and at least 47 reported deaths across India and Pakistan.
WORTH NOTING
EM-DAT faces a major funding gap
The disaster database used by climate scientists and policymakers could lose its main support after USAID's closure, threatening continuity in global disaster records.
WORTH NOTING
Wildfire smoke linked to fertility impacts
New reporting ties smoke exposure to lower sperm quality and poorer embryo outcomes, extending climate-health concerns beyond respiratory illness.
Still unclear
OPEN QUESTION
Can coastal communities retrofit emergency access fast enough?
The flooding study says road and hospital upgrades could cut deaths sharply, but the scale and funding of those changes are unresolved.
OPEN QUESTION
Can EM-DAT secure replacement funding?
If alternative funders do not step in, the world's most-used disaster database could lose continuity just as climate impacts intensify.