Climate change is going to dramatically alter life on the planet in the coming decades. Just how dramatically will depend on how aggressively governments and businesses move to correct the practices that over the past century have filled the atmosphere with greenhouse gases. Unfortunately, some bad actors are not only failing to address the crisis, they’re actively exacerbating it. Here’s a list of America’s worst offenders, from fossil-fuel industry magnates, to investment gurus, to the president himself.