Roadmap to close the carbon cycle | ScienceDaily

A major approach to achieving net-zero carbon emissions relies on converting various parts of the economy, such as personal vehicles and heating, to run via electricity generated from renewable sources. But carbon cannot be removed from all parts of society. Plastics, ubiquitous in the modern world, cannot be decarbonized because they are made of carbon-based molecules.

"We need novel and creative solutions to realize our decarbonization goals," said PNNL Director Steven Ashby."And collaboration is key to accelerating the use-inspired scientific research in catalysis and separations science that will underpin these solutions. I eagerly await these results and their deployment in aviation, heavy duty trucking, and marine transportation."

Using carbon from diverse sources is central to the proposed approach. Carbon will continue to be essential for many critical economic sectors. These sectors are candidates for circular carbon cycling through recycling and incorporating multiple carbon sources. Possible sources for valuable carbon include biomass, food waste, and plastic waste.

"We need new fundamental science developments to produce integrated industrial approaches," said Morris."The resulting technologies will create new economic opportunities, educational development, and additional job growth." The US has committed to reaching net-zero emissions by 2050. To accomplish this goal, large cuts in emissions are necessary, especially in high-emission sectors like the building industry. ...

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