On the heels of its announcement of plans to monitor global oil and natural gas methane emissions from space, the Environmental Defense Fund (EDF) released a new report last week that calls for companies to either reduce methane emissions 75 percent from current levels, or to 0.2 percent of production.

EDF argues that a “50 percent reduction” of an estimated 75 million metric tons of annual global oil and natural gas methane emissions “can be achieved at no net cost.”

But it is with the latter claim that some important context is in order, notably the fact that not all methane mitigation opportunities are equal — a fact that the International Energy Agency (IEA) report which the EDF report’s global emissions data was pulled from fully concedes. Read the full blog post on EIDClimate.org.