Negative emission technologies must be put more in the focus of science and policy.
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With the Paris Agreement’s ambition of limiting climate change to well below two degrees, negative emission technologies (NETs) have moved into the limelight of discussions in climate science and policy. Recent studies by the German Mercator Research Institute (MCC) find significant differences in the potentials and risks of these NETs.

Limiting global warming to 1.5 degrees will make the world increasingly dependent on technologies that extract CO2 from the atmosphere. However, technology development and expansion, as well as the start of pilot projects, are considerably lagging behind deployment in climate mitigation scenarios.

In order to remain below the two-degree mark, however, the extensive use of a broad portfolio of "negative emission technologies" (NETs), as these techniques for CO2 removal are called, can be reduced to a minimum. This is one result of several new studies by the Mercator Research Institute on Global Commons and Climate Change (MCC).

The scientists led an international consortium that has now published the results in a special section of the journal Environmental Research Letters. With these three comprehensive studies, the researchers point to a major gap in the dialogue between science and policy. With the Paris Agreement, the international community committed itself to limiting global warming to “well below two degrees Celsius”.

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