ms. davenport: every nation.he objective of the paris accord, which was forged in december, is that every single country in the world will put forth a plan to cut its own carbon emission. until now, the united states did not have any kind of policy in place, and with the announcement of this final regulation, the announcement that the united states is proposing, not just putting out a draft or an idea but actually moving forward with pretty aggressive regulations, the hope of the president is to set an example and try to get, again, all major economies to do something similar. charlie: steven, is there enough here to persuade them to do something similar? mr. mufson: in a pretty methodical way, he was in china last year and got china for the first time to commit by doing something by 2030. these of course were some things that china was thinking about doing anyway, he moved on to india, getting a huge commitment on renewable power, and a percentage cut, and they actually follow through with commitments to build t

ms. davenport: similar as when we saw the health care law become a major issue in the 2010 midterms, ands soon as that law was passed, it sort of set policy platform that candidates had to acknowledge. they had to say, if elected, i would support the health care law, and i would work to undo it. thoses the same thing climate change regulations set up, and i talked to political strategist that say this is their first serious climate that isolicy in history now actually in place, and the candidates will have to immediately project it into the 2016 campaign in a way that we probably have never seen climate change in a campaign before, because it is not a fight over whether it is real or broad proposals about what to do about it. it is if you're going to enact these regulations and see them through, or are you going to work to undo them, one or the other, and that makes it more of a policy issue rather than a broad, sweeping ideological issue. mr. mufson: charlie, another thing. what are some of the keys? think about last time. we had wildfires in colorado before the election. we had a huge