Global carbon dioxide levels reach highest point ever, likely for good
September 30, 2016
CBC News | September 30, 2016
Carbon dioxide levels can seem an obscure concept, making it difficult for people to gauge what, exactly, is going on. To put it into context, Danny Harvey, a professor in the department of geography at the University of Toronto, who teaches about climate change, explains that before the Industrial Revolution, carbon dioxide levels were around 280 parts per million. Read more.