Many skeptics of catastrophic, anthropogenic global warming (CAGW) and therefore opponents of a legally binding treaty to limit carbon dioxide emissions to fight it, including me, breathed a sigh of relief when COP 21, the UN Paris climate summit, ended with an agreement that for all appearances seems legally nonbinding. That, we figured, makes it far less dangerous.
Source: Never Underestimate Your Opponent—Coming to Grips with the Paris Climate Agreement