at the this from people lawrence livermore lab, folks making lasers when we were learning how to use tupperware. people were learning how to nuclear warheads on submarines when chuck berry was writing "johnny be goode." host: what part of that is achievable if the united states is a part of it -- is not part of it? guest: a lot of countries are moving forward without us. a lot of citizen states in this country are moving forward without federal action. and cities --es miami, charlotte, seattle. dozens of cities have made a commitment to cut their carbon footprint. more than 28 states around this country have put in place actual standards or targets to expand renewable power. just over the next few years. california, new york, and four other states have committed to what we call net zero carbon by 2050 if not sooner. what net zero means is basically we are going to eliminate 80% of carbon pollution. if we cannot, we will do something to offset it, strengthen the wetlands, our forest, the natural systems and put it in healthy soil and lock it away forever. position ons your natural gas