Which industrial sectors contribute most to CO2 emissions?

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According to the latest data, some 230 million tonnes (Mt) of carbon dioxide (CO2) are used globally every year.  You might be wondering: which industrial sectors contribute most to CO2 emissions?

Predictably, it is the production of electricity. Keeping lights, refrigerators and TVs on, requires an enormous expenditure of energy, which in turn, generates the largest share of greenhouse gas emissions (27% of 2021 greenhouse gas emissions).

To be clear, greenhouse gas emissions from industry primarily come from burning fossil fuels for energy, as well as greenhouse gas emissions from certain chemical reactions (24% of 2021 greenhouse gas emissions), commercial and residential emissions were 13% of 2021 greenhouse gas emissions.

DOE’s new initiative to research and design new solutions for the heavy consumers of the electricity will support the advancement of a range of decarbonization technologies that can shrink the carbon footprint of America’s vital industries.

The decarbonisation initiative is expected to include the following topics: Decarbonizing Chemicals, Decarbonizing Iron and Steel, Decarbonizing Food and Beverage Products, Decarbonizing Cement and Concrete, Decarbonizing Paper and Forest Products, Cross-sector Decarbonization Technologies (innovations in low temperature waste heat).


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