"According to oft-cited statistics, climate scientists are 95%-99% certain of climate change – about as certain as they are of the link between smoking and lung cancer. Nonetheless, an estimated 58% of US Republican congressmen claim to be unconvinced of it. This group, the so-called ' climate denier caucus,' is a big part of the reason that meaningful climate activist legislation keeps getting shot down. And according to a recent report, some of America’s most popular companies are helping to fund the effort."