As President Obama announces his intention to vastly expand a south Pacific marine sanctuary, a scientist at a State Department conference in Washington, D.C., say ocean acidification is affecting all sea life. Ove Hoegh-Guldberg says the acidic marine climate is preventing some animals from forming skeletons and shells, and preventing reproduction. It will take 10,000 years, or 300 generations of humans, he says, to reverse the trend.
Mining advocates explain plans for British Columbia mining projects, saying proven methods of containing and treating waste will prevent damage to the environment.