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Key developments
Europe heatwave breaks records and moves east
The extreme heat that hit Western Europe is easing, but Central and Eastern Europe faced dangerous temperatures on Sunday. The New York Times reported Poland hit a June record of 38.9C and forecast parts of the west could reach 42C, while the Czech Republic recorded 40.8C and set or matched records at 156 of 171 weather stations. Al Jazeera reported provisional German data showing a new national high of 41.5C at Drewitz, Denmark’s hottest day on record at 37C, and widespread disruption to rail, power generation and public events.
Why it matters
The event is producing deaths, infrastructure failures and national records across multiple countries while scientists link the increased likelihood and intensity to human-caused climate change.
Sources & driving stories
THE NEW YORK TIMES
The New York Times coverageAL JAZEERA
Al Jazeera coverageStudy finds missing warming feedbacks in models
Mother Jones’ James Dinneen reported on a new study finding that warming-driven emissions from wildfires, wetlands and permafrost could add as much as 0.6C to global average temperatures this century. The study says none of the 11 Earth system models used in the latest IPCC assessment included all three major ecosystem-emissions sources; five included wildfire and only two included permafrost. Estimated additional warming ranges from 0 to 0.4C under rapid emissions cuts and 0.2 to 0.6C under a more pessimistic pathway.
Why it matters
If these feedbacks are undercounted, remaining carbon budgets for meeting Paris Agreement temperature goals may be smaller than policymakers assume.
Sources & driving stories
MOTHER JONES · James Dinneen
Mother Jones coverageAustralia plans free midday power in three states
The Cool Down’s Ray Brennan reported that Australia will offer zero-priced electricity from 11 a.m. to 2 p.m. daily starting July 1, 2026, for customers in Queensland, New South Wales and South Australia. The Australia Energy Regulator linked lower and less volatile prices to rapid battery growth, including more than 415,000 residential batteries added over the past year. The regulator said batteries are increasingly serving evening demand spikes instead of gas peaker plants.
Why it matters
The program signals how high solar output and expanding battery storage can reshape retail power pricing and reduce reliance on fossil-fuel backup generation.
Sources & driving stories
THE COOL DOWN · Ray Brennan
The Cool Down coverageWorth noting
WORTH NOTING
UK climate insurance warning
The Guardian’s Heather Stewart reported that a TheCityUK report with Marsh warns intensifying floods and wildfires are undermining traditional actuarial assumptions and could widen protection gaps across the financial system.
WORTH NOTING
US solar overtakes coal
Yahoo reported Ember data showing solar supplied 12.8% of U.S. electricity in May 2026 versus coal’s 12.2%, the first month on record when solar exceeded coal in the national power mix.
WORTH NOTING
Ofgem advances storage pipeline
Axiom Eco Homes reported Ofgem moved 16 long-duration energy storage projects to the next approval stage, with cited modelling suggesting possible grid balancing savings of about £1.5 billion annually by 2030.
Still unclear
OPEN QUESTION
How high will Europe’s excess mortality rise?
Several countries are still experiencing or entering peak heat, while early figures already include heat-exposure deaths, drownings and Spanish statistical estimates of more than 200 possible heat-linked deaths.
OPEN QUESTION
When will carbon budgets include ecosystem feedbacks?
The reported study suggests permafrost, wildfire and wetland emissions may materially reduce the amount of fossil fuel that can be burned while staying below temperature targets.