Paris climate accord

In a split with progressive rival Bernie Sanders, the Massachusetts senator pledged her vote for a reworked NAFTA pact.

Global energy giant Royal Dutch Shell is urging Canada's largest oil and gas organization to get off the fence and support both the Paris climate accord and the pricing of carbon to encourage greenhouse gas emission reductions.

Brazilian President Jair Bolsonaro pledged to work "in harmony with the world" to cut carbon emissions, aiming to quell international concerns that his country, the main custodian of the oxygen-rich Amazon, could put economic interests over environmental ones.

After two weeks of bruising negotiations, officials from almost 200 countries agreed on Saturday, December 15, 2018, on universal, transparent rules that will govern efforts to cut emissions and curb global warming. Fierce disagreements on two other climate issues were kicked down the road for a year to help bridge a chasm of opinions on the best solutions.