Environment

Hurdles and opportunities for green hydrogen in Brazil

Brazil has the potential to become a global leader in green hydrogen production, but the country appears to be standing in its own way

Green Hydrogen
Illustration: Corona Borealis/Shutterstock

While it is a technology still in its infancy, green hydrogen is being touted as a way to decarbonize the economy and help countries meet their emission reduction goals. 

Unlike so-called “blue” hydrogen, which requires a lot of energy and emits vast amounts of carbon dioxide — even more so than simply burning natural gas, per a recent study — green hydrogen is obtained through the electrolysis of water. In this process, an electric current powered by a renewable source passes through the water and separates hydrogen and oxygen atoms from each other.

Some researchers say the rapid decrease...

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