Of the many health impacts linked to fossil fuels perhaps the most gruesome is chimney sweep testicle . Chimney sweep carcinoma was the first-ever identified occupational cancer, and the first cancer linked to a fossil fuel. Fast forward 250 years and the staggering health consequences of burning fossil fuels continues to impact millions. Regulation RollbacksMeanwhile, legislation that protected Americans for decades from fossil fuel pollution is being rolled back in a regulatory shock and awe campaign. Chimney sweep testicle cancer is thankfully a thing of the past due to belated regulation and a move to cleaner fuels.