The first few feet of sea-level rise alone will displace more than 100 million people worldwide and turn all our major Gulf and Atlantic coast cities into preKatrina New Orleans - below sea level and facing super-hurricanes. - Joseph Romm210. The generations living today get to retrofit, reboot, and reenergize a nation. We get to rescue and reinvent the U.S. economy.

You put Hillary Clinton up against Donald Trump, I'm scared of the choice no matter what you do.

There would be a cost for dumping carbon into our atmosphere and a cap on total emissions. The government must make a clear and firm decision - terminating the idea in our society it is free to pump infinite amounts of carbon into the air. Once that happens, private capital will flow even more aggressively into developing and deploying the alternative, less-polluting technologies.

The Whitehouse is talking different because we are walking different

There are about 46,000 jobs supported by the solar industry right now. That's fewer than it should be, too. And you have a whole other set of jobs in energy-efficiency in buildings and in creating the "Smart Grid," as we call it.

Government-mandated and -subsidized ethanol from corn will go down in history as the "Iraq War" of environmental solutions: ill-considered, costly, and disastrous.

I'm only 42, and I've got a lot more tricks up my sleeve.