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Takamitsu Kato, who runs an okonomiyaki (Japanese-style savory pancake) restaurant in Hiroshima, has chosen to do his part to reach net-zero emissions — even if it means a rise in his utility costs.

It wasn't an easy decision to make during the coronavirus pandemic, but Kato, 32, is one of a growing number of business owners and companies in the Chugoku region that are proactively joining the global trend toward decarbonization.

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