President Barack Obama says American leadership is helping the global fight against climate change.
As he left for the climate conference in Paris Sunday, Obama wrote a Facebook that the U.S. has shown it's possible to make environmental gains while creating jobs and expanding the economy.
Obama will try to reassure world leaders in Paris that the U.S. can deliver on its own commitments.
He says the goal in Paris is a long-term framework for more global reductions, with each nation setting targets that other countries can verify.
He says leaders will try to support "the most vulnerable countries" in expanding clean energy and "adapting to the effects of climate changes that we can no longer avoid."
The negotiations in Paris have started with a moment of silence in honor of the victims of the terror attacks in the French capital.
French Foreign Minister Laurent Fabius, president of the Paris conference, said the goal of the summit is an ambitious agreement that all countries can agree on. He told negotiators, "Every day we have to make progress. No subject shall be left aside."
He said negotiators owe it to the world to finish negotiations in an orderly time frame.
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