Agence France-Presse: The United States and China agreed to mount a joint effort to combat climate change Saturday, committing to work to cut hydrofluorocarbons (HFC), or "super greenhouse" gases.
In a statement issued after a summit between Presidents Barack Obama and Xi Jinping here, the two sides committed to phase down production and usage of the gases, which are highly potent contributors to climate change.
"Today, President Obama and President Xi agreed on an important new step to confront global climate change,"...