Pope Heads to Climate Talks as Rare Word -- Optimism -- Surfaces
- Leaders press for greenhouse gas cuts ahead of Paris meeting
- Billions in climate aid for poor countries still at issue
The Politics of Pope Francis' First U.S. Visit
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Optimism’s not a mood usually associated with global warming.
Yet when President Barack Obama, Pope Francis and other world leaders start gathering in New York next week, they’ll be in sight of a goal that seemed unattainable just a few years ago: an agreement that may actually slow the pace of rising temperatures.