Alaa Al Khourdajie

@dralaaclimate.bsky.social

#Climate #Energy #Scenarios | Advanced Research Fellow @imperialcollegeldn.bsky.social | Lead Author @ipcc.bsky.social AR7 | WP4 Lead @EU-DIAMOND | Guest Scholar @iiasa.ac.at | Editor @plosclimate.org | Dad https://sites.google.com/site/akhourdajie/

@dralaaclimate.bsky.social is an expert in climate change economics and integrated assessment modeling at Imperial College London's Department of Chemical Engineering. He specializes in climate mitigation scenarios, AI for climate science, and has contributed significantly to IPCC reports.

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In response to recent misinformation about the use of scenarios in IPCC reports: the IPCC does not conduct its own research, run models or make measurements. The IPCC’s role is to assess the available scientific, peer-reviewed literature relevant to climate change: www.ipcc.ch/2026/05/20/i...

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#NCAR is a leading institution in climate science. Climate science is not woke. It is the science that explains the evidence we have over the last few decades of an earth system that is stressed by anthropogenic interference.

As the final text is being hammered out here in Belém for #COP30, the issue of fossil fuel phase-out is on the table again. Looking at the actual numbers from the IPCC AR6 1.5°C assessed scenarios to decompose reduced fossil fuel output vs. carbon capture and storage - CCS (i.e. abatement) 1/3

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As the final text is being hammered out here in Belém for #COP30, the issue of fossil fuel phase-out is on the table again. Looking at the actual numbers from the IPCC AR6 1.5°C assessed scenarios to decompose reduced fossil fuel output vs. carbon capture and storage - CCS (i.e. abatement) 1/3

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Overshoot: returning to 1.5°C requires net-negative emissions targets. @swp-berlin.org policy brief with Oliver Geden. Keeping 1.5 alive will require reframing “net-zero” as transitional stage towards net-negative GHG emissions rather than an endpoint, and policy instruments able to deliver this.

Overshoot: Returning to 1.5°C Requires Net-negative Emissions Targets

Global warming is set to rise above 1.5°C by the early 2030s. Returning to 1.5°C before the end of the 21st century would not prevent all harms...

swp-berlin.org