[_8j50]

"...consumes about as much oxygen as it produces."

If it burns,there will be leftover life that will no longer be supported by the amazon. Causing a significant increase in net Oxygen consumption.

1% uncomoemsated consumption doesn't sound like much but it will remain that way or worse whic means total O2 will continue to deplete.

[empath75]

Not for very long.

[mrpopo]

They burn the amazon to leave way for cattle. The abounding biodiversity there will be replaced by cows for mass consumption. His point holds.