Making industrial chemicals “green” requires a lot of renewable electricity

Enlarge / Huntsman Olefins petrochemical industry, manufacturer of ethylene and propylene, Wilton, Teesside, UK. (credit: Photo by Photofusion/Universal Images Group via Getty Images)
When we think about climate change, we most often think about emissions from two sectors: energy and transportation. But industry makes a big contribution to climate change, too. Industrial emissions come from a lot of different things, including the manufacture of common chemicals. Often, these chemicals are made by reforming fossil fuels using heat that's also provided by burning fossil fuels.
Overall, the chemical industry consumes about 10 percent of global final energy, according to the International Energy Agency.
In a recent PNAS paper, researchers from universities in Germany and California tried to estimate how effectively the chemical industry could decarbonize and whether such a decarbonization is likely.
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