From the plan pdf, p. 3:
Commit to reducing emissions throughout the world, including providing $200 billion to the Green Climate Fund, rejoining the Paris Agreement, and reasserting the United States' leadership in the global fight against climate change.
from p. 12:
In order to help countries of the Global South with climate adaptation efforts, the U.S. will invest $200 billion in the Green Climate Fund for the equitable transfer of renewable technologies, climate adaptation, and assistance in adopting sustainable energies. U.S. leadership can ensure that the developing world secures reliable electricity, reduces poverty and pollution-related fatalities, creates greater net employment, and improves living standards - all while reducing greenhouse-gas emissions