Since the beginning of the industrial age, 30 % to 60 % of the coral reefs on the planet have disappeared because of human activity and warming oceans. (treehugger.com)
Since the dawn of the industrial age, we have been exposed to heavy metal toxins at increasing rates. (theenergyblueprint.com)
Scientists report the sea is already 30 percent more acidic than it was at the start of the industrial age. (abcnews.go.com)