Earlier quoted context omitted.
The US was not obligated to pay $100B/yr in the agreement. Obama pledged $3B by 2020. http://www.nbcnews.com/politics/white-house/why-trump-seeing...
You guys need to pick which figure to quote. Here's a number from 2015, from NPR: http://www.npr.org/sections/thetwo-way/2015/12/12/459502597/... . Quote: "To help developing countries switch from fossil fuels to greener sources of energy and adapt to the effects of climate change, the developed world will provide $100 billion a year". And further: "Developed countries won inclusion of language that would up the ante…
I'm certainly not going to argue about your personal opinion based on "we all know" versus what the US has actually pledged to give.