US, China agree to end 'super greenhouse gases'
e two nations made the pledge after a closely watched first summit between Presidents Barack Obama and Xi Jinping, who lead the world's top two emitters of greenhouse gases blamed for the planet's increasingly volatile climate.
In a statement, China and the United States "agreed to work together" through an international body to "phase down the production and consumption" of hydrofluorocarbons (HFCs), dubbed super greenhouse gases for their pollution.