Thirty years ago, scientists reported a hole in the ozone layer 'the size of North America.' The culprit was a man-made chemical called CFCs, which were prevalent in billions of dollars wort... Read allThirty years ago, scientists reported a hole in the ozone layer 'the size of North America.' The culprit was a man-made chemical called CFCs, which were prevalent in billions of dollars worth of refrigeration, air conditioning, and other products that had revolutionized America's... Read allThirty years ago, scientists reported a hole in the ozone layer 'the size of North America.' The culprit was a man-made chemical called CFCs, which were prevalent in billions of dollars worth of refrigeration, air conditioning, and other products that had revolutionized America's way of life. With doctors forecasting skyrocketing cancer if we didn't make a change, the... Read all