Japan’s greenhouse gas emissions fell to a record low in fiscal 2022 on the back of reduced steel production and energy-saving efforts by households, government data showed Friday. National emissions in the year through March 2023 totaled 1.14 billion tons of carbon dioxide equivalent, down 2.5 percent from fiscal 2021 and the lowest level since comparable data became available in fiscal 1990. The decline came after emissions increased in fiscal 2021 for the first time in eight years, reflecting rising energy consumption amid a pickup in economic activity following the COVID-19 pandemic, accor…