Why didn't 1.2 months produce carbon?

A:

Because the output of coal mines affected by the epidemic this year is lower than the conventional level, from June 5438 to February, the country produced 490 million tons of raw coal, with an average daily output of 810.5 million tons, down 6.3% year-on-year.

Another reason is to reduce carbon emissions. Why didn't 1.2 months produce carbon?

Because the output of coal mines affected by the epidemic this year is lower than the conventional level, from June 5438 to February, the country produced 490 million tons of raw coal, with an average daily output of 810.5 million tons, down 6.3% year-on-year.

Another reason is to reduce carbon emissions.