[...] President Obama spoke softly about the seriousness of human-driven climate change in public while his administration chipped away at automobile emissions and provided token green-energy incentives. These may have been the correct policies for a major, developed nation . . . in the early 1990s. But like much else after the financial crisis in 2008, the opportunity for a visionary shift in national focus — one that would have required investment at least equal to that being poured into the unwinnable war on terror — was bartered away to chase after an illusory political consensus with the terminally uncompromising opposition.