Daily Climate: Richard Nixon would be 100 years old today, and on the anniversary of his birth, it's tempting to portray the 37th U.S. president as a major environmental advocate.
That would be a mistake, for it would let modern-day politics trump an important history lesson.
Nixon said and did things about the environment that seem courageous from today's perspective:
"Clean air is not free, and neither is clean water," he said in his 1970 State of the Union address. "Through our years of past carelessness...