Hillary Clinton’s absolutely authoritarian environmental policy scheme makes Barack Obama’s audacious clean energy pitch seem timid. On the campaign trail in Ames, Iowa recently, the former Secretary of State said she wanted renewable energy to account for 33 percent of America’s electric power by 2027, 13 percent more than the president proposed last week.

Is regulation by the EPA’s Clean Power Plan the best choice to help us breathe easier? A carbon-fee-and-dividend plan advocated by George P. Shultz, former secretary of State under President Ronald Reagan, is a free-market plan with a fee on dirty energy that recycles 100 percent of revenue back to American households.

The MIT Climate CoLab allows the public to vote for the best crowdsourced ideas on how to tackle climate change.

Hoover Institution fellow Victor Davis Hanson discusses California's drought and climate change.