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The latest instalment of the Intergovernmental Panel on Climate Change’s (IPCC) Assessment Report (AR5), released today, contains no reference to geoengineering in its Summary for Policymakers, though it attributes a slew of negative effects to so-called planet hacking in its full report. Released after a week-long negotiating session of Working Group II (WGII, which assesses the human and ecological vulnerabilities to climate change and options to adapt), today’s report represents a precarious victory over ongoing pressure within the IPCC – by geoengineering proponents and some governments (e.g., Russia, the USA, Canada and the UK) – to legitimize geoengineering as a solution to climate change.
The release of WGII’s report could also simply reflect the calm before the storm; geoengineering is expected to return in force when Working Group III (WGIII) meets in Berlin next month.
Unlike Working Group I (WGI), whose contribution to AR5 released last September included bullet points referring to so-called Solar Radiation Management and Carbon Dioxide Removal technologies, WGII did not mention geoengineering in its Summary for Policymakers. The Summary — selected text from a much longer report — is especially influential because it is negotiated line-by-line and agreed by governments.
“It is reassuring that Working Group Two has focused on its mandate and wasn’t distracted by the geoengineering techno-fix,” ETC Group’s Neth Daño said from Yokohama.
“The report from Working Group [One] in September signaled to some that governments and the IPCC were offering polluting countries a way out of fulfilling their commitments to reduce emissions,” Daño added.