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Key developments
Ocean surface temperatures set June record
Mother Jones' Jonathan Watts reported that the Copernicus Climate Change Service said non-polar ocean surface temperatures on June 21 exceeded same-date records from 2023 and 2024. The Conversation reported average sea surface temperature just under 21 C across tropical and temperate oceans, compared with about 19.6 C before widespread industrialization. Copernicus said Earth's energy imbalance reached a record 23 zettajoules last year, and scientists warned a developing El Niño could intensify heat, marine heatwaves and weather impacts.
Why it matters
The new ocean record raises near-term risk of cascading heat, storm and ecosystem impacts during the usual July-August ocean-temperature peak.
Sources & driving stories
MOTHER JONES · Jonathan Watts
Mother Jones coverageTHE CONVERSATION
The Conversation coverageSolar tax-credit deadline reshapes U.S. pipeline
E&E News by POLITICO reported that a July 4 deadline for federal solar tax-credit eligibility is forcing developers to navigate the One Big Beautiful Bill Act's incentive phaseout. Wood Mackenzie said more than 200 GW of major utility-scale solar projects were already safe-harbored, supporting an outlook of roughly 40 GW of annual additions through the end of the decade. Rooftop solar faces a sharper hit from earlier credit phaseout, while developers also face uncertainty from permitting rules, foreign entity restrictions, tariffs and grid interconnection delays.
Why it matters
The timing and interpretation of the credit phaseout will shape U.S. clean-power deployment, project finance and grid capacity through the 2030s.
Sources & driving stories
E&E NEWS BY POLITICO
E&E News by POLITICO coverageAI buildout pushes tech emissions higher
Bloomberg's Olivia Raimonde reported that Amazon's 2025 greenhouse gas emissions rose 16% from 2024 to about 81 million metric tons CO2e, while Google's ambition-based emissions rose 18% as electricity use increased 37%. Google reported Scope 1 emissions up 20%, and Amazon said bought-electricity emissions rose 34%, with data center construction, hardware supply chains and delivery fuels contributing. The Financial Times' Kenza Bryan and Ian Johnston separately reported that the EU is considering weaker data-centre climate rules, including looser renewable certificate requirements and offsets for gas-powered facilities.
Why it matters
Rapid AI infrastructure growth is becoming a direct test of whether major technology companies and regulators can reconcile digital expansion with climate targets.
Sources & driving stories
BLOOMBERG · Olivia Raimonde
Bloomberg coverageFINANCIAL TIMES · Kenza Bryan and Ian Johnston
Financial Times coverageWorth noting
WORTH NOTING
Boyle Heights fire soot spiked
The Los Angeles Times' Hayley Smith reported a temporary East L.A. monitor recorded 755 micrograms per cubic meter of PM2.5 during the Lineage warehouse fire, while EPA and LAFD monitoring data remain largely undisclosed.
WORTH NOTING
River personhood enforcement lags
Inside Climate News' Katie Surma reported a new Stockholm Environment Institute study finding that landmark river-rights rulings in Colombia and Bangladesh have produced limited protection because of funding gaps, weak coordination and unresolved enforcement authority.
WORTH NOTING
Cleaner clouds may mask warming
The Guardian's Kate Ravilious reported a Geophysical Research Letters study finding falling northern hemisphere dust levels made high clouds less ice-rich and more reflective from 2008 to 2018, an effect many climate models omit.
Still unclear
OPEN QUESTION
Will El Niño amplify ocean heat records?
The June record arrived before the usual July-August ocean-temperature peak, and scientists said it is too early to know whether the surge is temporary or will worsen.
OPEN QUESTION
Can AI growth be matched with real clean power?
Tech-company emissions are rising as AI infrastructure expands, while proposed data-centre rules may allow accounting tools that do not guarantee new local clean electricity in real time.