Of the following anthropogenic methane (CH₄) sources, which is the largest?
A) livestock
B) wastewater treatment
C) agriculture associated fires
D) rice paddies

Question

Quizplus · Accepted Answer

Livestock, specifically enteric fermentation in cows and other ruminants, is the largest anthropogenic source of methane emissions. According to the EPA, livestock account for 25% of global methane emissions. Wastewater treatment, agriculture associated fires, and rice paddies also contribute to methane emissions, but to a lesser extent.

Of the Following Anthropogenic Methane (CH₄) Sources, Which Is the Largest