"Japan to obligate up to 400 major firms to join CO2 emissions trading," 22 November 2024

The Japanese government said... it expects to obligate 300 to 400 major firms to participate in a full-fledged carbon emissions trading system to be introduced in the fiscal year starting April 2026.

The tally has come up as the government plans to set a threshold for companies subject to joining the emissions trading scheme at those releasing 100,000 tons of carbon dioxide or more a year, around the same level as the European Union and South Korea with similar systems, the government said.

... the system is estimated to cover about 60 percent of domestic greenhouse gas emissions...