As pollution and sulfuric acid choked North American skies in the 1970s and 80s, a bipartisan, transnational agreement spearheaded by the Environmental Protection Agency combatted acid rain, which ...

And unlike the compounds that cause acid rain, these pollutants are almost impossible to get rid of. As government regulators focused on reigning in air pollution, companies were busy generating new ...

Not only can stomach acid in the esophagus cause heartburn, but it sometimes causes damage to the esophagus in the form of esophagitis, ulcers, difficulty or pain when swallowing, strictures ...