CBC: Our species has just reached a new high. The average temperature in the northern hemisphere reached two degrees Celsius above normal for the first time on March 3 a milestone long held to be a dangerous level of warming. In fact, the Paris Agreement on the environment adopted by 195 countries in December works to limit global warming to less than two degrees Celsius. While media outlets like Democracy Now, the Boston Globe and Slate acknowledged the milestone, most mainstream outlets paid little...