Thomas Massie actually said...

"If you don't know the number, how could you know if our methane production has gone up or down?"

"Does a cow that eats corn produce more methane or less methane than one that eats grass?"

"Then how can you make a statement that cattle, domestic cattle, produce more methane than the buffalo did before we got here? Because that statement is false."

"I'm glad you pointed out that CO2 is plant food and that growing seasons are extended when CO2 goes up in the environment."