Archive · 13 Nov 2025
Carbon Capture Creators Warn Against Overreliance in Climate Plans
Imagine we need to clean up a big mess in our room.
Some people came up with a clever idea to help: grow lots of plants, burn them for energy, and capture the smoke (carbon dioxide) so it doesn't go into the air.
This is like having a special sponge to soak up extra mess.
They thought this would be a backup plan if cleaning the rest of the room was too hard.
But now, many people are thinking they can make a mess on purpose and just use the special sponge later.
The people who invented the sponge are worried because this might mean they won't clean up the rest of the room properly.
Cleaning the whole room is still the most important thing, and the sponge is just a small helper, not a replacement for not making a mess in the first place.
If we rely too much on the sponge, we might make the room too messy before we can even use it.
The scientists who popularized carbon capture warned its use in climate plans breeds overconfidence.
Carbon capture was intended to cancel past emissions, not substitute for immediate fossil fuel cuts.
Many countries are including carbon removals in their net-zero plans, with assumptions of future capture for unaccounted emissions.
Overreliance on carbon capture risks delaying essential reductions in fossil fuel production.
Nature-based and technological carbon removals face limitations and scalability issues, alongside risks of increasing climate change consequences.
- Who
- Scientists Kenneth Möllersten and Michael Obersteiner, who developed the concept of negative emissions, along with climate researchers and major economies.
- What
- Creators of the carbon capture concept are warning that its widespread adoption in climate plans is leading to overconfidence and a potential delay in necessary fossil fuel emission cuts.
- When
- The concept was developed in 2001. The warnings come ahead of COP30 in Belém, Brazil, and following analysis of updated climate plans submitted to the UN.
- Where
- The concept has been incorporated into climate plans by major economies including the UK, Brazil, and Australia, and discussed in the context of global climate conferences.
- Why
- The creators fear their idea, meant to cancel past emissions and act as a backup, is being used as an excuse to avoid making hard cuts to fossil fuel production, potentially leading to 'overshoot' of climate targets.
Original Intent of Carbon Capture
Current Application of Carbon Capture
Purpose of Carbon Capture
Original Intent of Carbon Capture
Carbon capture was conceived as a method to cancel out past emissions and serve as a backup if other emissions reduction methods failed, not as a substitute for cutting current fossil fuel use.
Current Application of Carbon Capture
Carbon capture is increasingly being relied upon to meet net-zero goals, with many countries assuming it will account for a significant portion of emissions reductions without detailing how these will be achieved or cutting fossil fuel production.
Impact on Emissions Reduction Strategy
Original Intent of Carbon Capture
The creators emphasized that future negative emissions should never be used as an excuse to delay emission reductions.
Current Application of Carbon Capture
Overconfidence in carbon capture has led to an 'overshoot' mentality, where countries plan to exceed climate targets knowing they can remove carbon later, potentially delaying necessary hard cuts to fossil fuels.
Role in Climate Plans
Original Intent of Carbon Capture
The idea was pitched as a way to bring CO2 concentrations back down and reduce the effects of a warmer world, intended as an add-on rather than a replacement for emissions reductions.
Current Application of Carbon Capture
Many national emissions plans submitted to the UN incorporate carbon removals as a key element to reach net-zero targets, with a significant percentage of pledged cuts being unaccounted for and assumed to be captured.
- Origin of Idea
- 2001 by Kenneth Möllersten and Michael Obersteiner
- Concept
- Generating energy from plants/biofuels with negative emissions by capturing CO2
- Inclusion in Plans
- Key element in net-zero goals of major economies including UK, Brazil, Australia
- Climate Action Tracker Findings
- Many countries' plans rely on carbon removals, significant portion of cuts unaccounted for and assumed to be captured.
- IPCC Role
- Included carbon removal in scenarios for reducing warming since 2007
- Risks of Reliance
- Limited by land availability (nature-based), early stage and costly (direct air capture, bioenergy), increased risk of climate change consequences like tipping points.