Big surprise.

Nations Are Undercounting Emissions, Putting UN Goals at Risk - Yale E360

Because of lax rules, national inventories reported to the United Nations grossly underestimate many countries’ greenhouse gas emissions…

In the United States, an analysis published this month of the air over the country’s oil and natural gas fields found that they emit three times more methane — a gas responsible for a third of current warming — than the government has reported.