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Key developments
Bonn countries defend climate science role
Breaking Climate Change's Amy Green reports that diplomats from Fiji, Nepal, the EU, Switzerland, Sierra Leone and Panama used the Bonn climate talks to warn of coordinated efforts by fossil fuel interests to undermine climate science in UN negotiations. The dispute includes reported opposition by Saudi Arabia and India to draft language encouraging scientific work on scenarios that minimize 1.5C overshoot. POLITICO separately reports that nearly 200 countries in Bonn are debating the role of the next IPCC assessment cycle in the second Global Stocktake, due to begin this November and conclude in 2028.
Why it matters
The fight will shape whether the next Paris Agreement accountability cycle is anchored in the latest IPCC science or diluted by procedural and political disputes.
Sources & driving stories
BREAKING CLIMATE CHANGE · Amy Green
Breaking Climate Change coveragePOLITICO
POLITICO coverageNew pathway halves fossil fuels by 2035
Pakistan Today reports that Climate Analytics released a new analysis at the Bonn UN climate talks saying global fossil fuel production and use must peak in 2025, fall 20% by 2030, halve by 2035 and reach zero by 2070 to keep end-century warming below 1.5C. The pathway, developed with the Potsdam Institute for Climate Impact Research, says fossil fuel production and use caused 70% of global emissions in 2023. It projects net-zero CO2 around 2045, net-zero greenhouse gases around 2060 and a temperature peak near 1.7C before declining below 1.5C later this century.
Why it matters
The analysis gives negotiators and governments a concrete fossil-fuel phaseout benchmark against which new oil, gas and coal expansion can be judged.
Sources & driving stories
PAKISTAN TODAY
Pakistan Today coverageHeathrow runway report warns of health harms
The Guardian reports that a UK Department for Transport impact analysis warns Heathrow's proposed third runway is likely to have significant adverse effects on the health and wellbeing of up to 3 million nearby residents. The analysis says construction and operation would worsen noise and air quality, could affect access to housing, education, healthcare, open space and transport, and would also affect climate change mitigation and adaptation. The disclosure came as the UK government accelerated consultation on a draft Heathrow Expansion national policy statement, which MPs will later vote on.
Why it matters
The report puts quantified public-health and climate risks at the center of a major UK infrastructure decision the government is advancing under its growth agenda.
Sources & driving stories
THE GUARDIAN
The Guardian coverageWorth noting
WORTH NOTING
Climate-linked child stunting quantified
NCR Online's Brian Roewe reports on a Notre Dame-led PNAS study finding each 1C of human-caused warming is associated with a 3.45% increase in childhood stunting across 34 African countries, equivalent to nearly 7 million children.
WORTH NOTING
Green economy valuation passes $10 trillion
Inside Climate News' Ajani Stella reports that a London Stock Exchange Group analysis found companies with at least one-fifth of revenue from environmental activities now exceed $10 trillion in market value, with 5.3% green revenue growth in 2025.
WORTH NOTING
Remote microgrids replace long lines
Yahoo reports that Western Australia is shifting remote power supply toward solar, wind and battery microgrids, including Kalbarri's 5 MW system, as costly and storm-prone long-distance lines are reduced.
Still unclear
OPEN QUESTION
Will IPCC AR7 feed the 2028 stocktake?
The October IPCC timeline decision will determine whether the next Paris Agreement progress review uses the latest assessment reports or relies on less authoritative inputs.
OPEN QUESTION
Can fossil phaseout targets survive implementation politics?
The new 2030 and 2035 fossil-fuel benchmarks are far sharper than current investment patterns, while the Bonn talks show persistent resistance around science, accountability and implementation.