Commentary: We need a Green New Deal to save our future

Climate change — not migrant caravans — is the true national emergency.Indeed, climate change is not merely a threat to our national security, it threatens our very survival as a species. Unfortunately, the answer to this crisis is not as simple as falling in love and breeding away the problem as Sen. Mike Lee suggests.Without immediate, dramatic change, much of the livable land will flood with sea water. There will be considerably less fresh water for consumption and farming. Large