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Key developments
Europe's record heatwave turns deadly
Al Jazeera reported France recorded its hottest-ever day, with Meteo France measuring 43C in Les Herbiers and a national temperature indicator of 29.8C for Monday-Tuesday, the highest since records began in 1947. At least 40 deaths since Thursday were attributed to the heat, including drowning incidents and two child deaths in Carpentras; 54 areas were under red alerts and landmarks including the Louvre and Eiffel Tower closed early. WIRED's Isabella Ward reported London Climate Action Week moved some in-person sessions online as UK Met Office forecasts projected up to 39C and rail services faced heat-related curtailments.
Why it matters
The event shows climate-amplified heat now disrupting public health, transport, schools, tourism and even climate-policy convenings in real time.
Sources & driving stories
AL JAZEERA
Al Jazeera coverageWIRED · Isabella Ward
WIRED coverageUK advisers warn heat pump rollout is slowing
BBC News' Esme Stallard and Justin Rowlatt reported that the UK Climate Change Committee found heat pump installation growth slowed to 7% year over year, down from 56% in 2024. The committee linked part of the slowdown to the withdrawal of a grant scheme for lower-income households, while noting home heating accounts for almost a fifth of UK emissions. The Guardian reported CCC chair Nigel Topping warned that weakening the UK's net-zero direction would damage inward investment and raise consumer costs through continued fossil-fuel reliance.
Why it matters
Decarbonizing home heating is a core UK emissions challenge, and the latest progress report points to policy instability as a deployment risk.
Sources & driving stories
BBC NEWS · Esme Stallard and Justin Rowlatt
BBC News coverageTHE GUARDIAN
The Guardian coverageMayors launch sustainable data center pact
AP's Jennifer McDermott reported that C40 Cities launched a pact during London Climate Action Week, signed by 40 mayors, setting expectations for urban data centers. The pact calls for projects to use abandoned or underutilized land, run on renewable power and battery storage, reduce water use and emissions, capture waste heat, pay for infrastructure upgrades and incorporate community feedback. Phoenix and Melbourne helped drive the effort after concerns over electricity, water and land demand; Phoenix has pending permits that could double electricity demand, while Melbourne officials estimate planned data centers could consume up to 20 billion liters of water a year.
Why it matters
AI-driven data center growth is becoming a local climate-governance issue, with cities trying to prevent electricity, water and land-use impacts from outrunning regulation.
Sources & driving stories
AP NEWS · Jennifer McDermott
AP News coverageWorth noting
WORTH NOTING
Grid-scale battery storage advances
ADB approved $63.44 million for Cambodia's 250MW/500MWh Takeo battery project, while Australia selected 15 standalone battery projects totaling 4.2GW/16.1GWh under Capacity Investment Scheme Tender 8.
WORTH NOTING
Washington carbon-market linkage moves ahead
Washington, California and Quebec reached a framework to merge carbon markets, with Washington regulatory changes expected by September and a joint market possible next year.
WORTH NOTING
Africa power inventory shows fossil lock-in
Davy Vanham reported on a new open-access inventory of 3,139 African power plants projecting generation up 57% by 2030, with renewables rising but fossil fuels still supplying 61% of electricity.
Still unclear
OPEN QUESTION
Are heatwave safeguards matching event intensity?
Deaths, school disruption, venue closures and rail curtailments suggest European adaptation planning may be lagging faster-rising heat risk.
OPEN QUESTION
Will city data-center principles become enforceable?
The C40 pact is voluntary and mayors will need utilities, regulators and private developers to translate it into binding siting, power and water rules.