signal to the world to investors around the world, to businesses and government that is this is something that all the countries in the world united and want to see happen. what policies they have to enact to get there remains to be seen. >> let's talk about the details this deal even in limiting climate change to less than 2 degrees celsius . there will be countries or nations that end up with the ramifications of climate change. talk to us about the money that's set aside to help those countries in their loss and damage. >> reporter: yes. so this agreement makes the ambition of putting $100 billion u.s. per year starting in 2020 towards climate adaptation. these are droughts will become more common in some parts of the world. some places are already seeing issues with higher tides from sea level rise, increasing