Yale Environment 360: Rising carbon dioxide emissions have caused the worlds oceans to become 30 percent more acidic since the Industrial Revolution, affecting everything from marine lifes ability to build shells to the pH level of fishes blood. Now, scientists have discovered that more acidic water also prevents mussels from attaching to rocks and other surfaces, which could have ramifications on the global food chain, the economy, and ecosystem health. Oceans today have a pH of about 8.1. When the pH drops below...