The European Space Agency had more than 40 scientists working on why methane surged to the highest level in the atmosphere that researchers have seen since measuring began in the 1980s at 16.2 parts per billion per year.
As the world shut down due to COVID, causing less traffic like trains, planes and automobiles, scientists expected the planet to get a break from harmful pollutants like nitrogen dioxide and methane.
But curiously, scientists saw a surge in methane, ... [2974 chars]