Sewers have been hiding a climate problem in plain sight, and this new tool finally exposes its true scale. The team estimates that sewers worldwide emit 1.18 to 1.95 million tons of methane annually.
From Reddit - r/climate: Sewers have been hiding a climate problem in plain sight, and this new tool finally exposes its true scale. The team estimates that sewers worldwide emit 1.18 to 1.95 million tons of methane annually.