At certain levels of deforestation the Amazon rainforest ecosystem is believed to break down, turn into savannah: https://advances.sciencemag.org/content/4/2/eaat2340
Other countries should indeed have put in financial effort to make sure this ecosystem is preserved. It might be too late now.
Unfortunately you cannot re-introduce those that are extinct, or doomed because of the gene pool already diminished. A complex ecosystem needs long time to develop.
At certain levels of deforestation the Amazon rainforest ecosystem is believed to break down, turn into savannah: https://advances.sciencemag.org/content/4/2/eaat2340
Other countries should indeed have put in financial effort to make sure this ecosystem is preserved. It might be too late now.
Unfortunately you cannot re-introduce those that are extinct, or doomed because of the gene pool already diminished. A complex ecosystem needs long time to develop.