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Key developments
Datacenters drive Big Tech emissions higher
The Guardian's Aisha Down reports that Microsoft, Amazon and Google disclosed combined emissions of 119 million metric tonnes of CO2e for the financial year ending March 2026, up from about 101 million tonnes the prior year. Microsoft reported a 25% increase to 20 million tonnes, mainly from datacenter infrastructure; Google reported an 18% rise tied to supply-chain expansion; and Amazon reported a 16% overall increase, including a 20% rise in supply-chain emissions linked partly to datacenter construction.
Why it matters
The figures show AI and cloud infrastructure growth is materially increasing emissions even as major technology companies maintain climate targets.
Sources & driving stories
THE GUARDIAN · Aisha Down
The Guardian coverageBundestag eases renewable mandate for new heating
Germany’s Bundestag passed a heating-law revision on July 10 after the constitutional court rejected a last-minute injunction sought by the Left party, according to WKZO reporting by Christian Kraemer, Holger Hansen and Miranda Murray. The bill removes a prior requirement that new building heating systems use at least 65% renewable energy, instead requiring new gas and oil systems to blend climate-neutral fuels starting in 2029, rising from 10% to 60% by 2040. Heating fuels are still slated to become fully climate-neutral by 2045, and the Bundesrat can seek amendments through mediation but cannot block the bill.
Why it matters
Germany is changing the near-term decarbonization pathway for building heat, a major emissions source, with potential consequences for heat-pump deployment and fossil-heating lock-in.
Sources & driving stories
WKZO · Christian Kraemer, Holger Hansen and Miranda Murray
WKZO coverageUK heatwave stresses grid, transit and housing
During the current UK heatwave, the National Energy System Operator issued an overnight notice ahead of Thursday peak demand, warning of tight electricity margins and a projected supply shortfall of about 1.2 gigawatts as low wind output increased reliance on gas, nuclear and imports. The Guardian’s Rosie Peters-McDonald reported London Underground readings up to 34C, while Transport for London said it is investing in resilience and air-conditioned trains on the Piccadilly line and Docklands Light Railway. Yahoo News also reported Yorkshire temperatures reaching 32C, low household air-conditioning penetration of 5% to 7%, and Leeds opening 39 “Cool Space” hubs in libraries and leisure centres.
Why it matters
The heatwave is exposing simultaneous adaptation gaps in electricity supply, public transport and housing as extreme heat becomes more likely.
Sources & driving stories
OILPRICE.COM
OilPrice.com coverageTHE GUARDIAN · Rosie Peters-McDonald
The Guardian coverageYAHOO NEWS
Yahoo News coverageWorth noting
WORTH NOTING
Lagos flooding raises displacement risks
The Guardian’s Valentine Benjamin reports that June 28 flooding damaged homes and displaced residents, while Nigeria’s hydrological agency warned that more than 14,000 communities face high flood risk and at least 15,000 face moderate risk this season.
WORTH NOTING
Europe wildfire toll remains severe
WRAL’s AP-based report notes hundreds of wildfire deaths across Spain, France, Greece, Turkey, Portugal and Cyprus over roughly the last decade, with officials and attribution scientists linking increasing fire ferocity to climate change.
WORTH NOTING
Heat-pump defrost losses quantified
A ScienceDirect study of 26 air-source heat pumps tested in Mohe, China, found frost-blocked behavior in 28 of 124 operating bins across 11 brands, with a median hidden COP loss of 12.8%.
Still unclear
OPEN QUESTION
Can AI growth align with corporate climate targets?
The latest Microsoft, Amazon and Google emissions increases suggest datacenter construction and supply chains may outpace efficiency gains and offset strategies.
OPEN QUESTION
Are heat-adaptation investments moving fast enough?
The UK heatwave is simultaneously stressing homes, transit and electricity reserves, indicating that adaptation needs are spreading across infrastructure systems.