How Binding Can An International Climate Agreement Get?

With Republicans opposed to a deal, legality looms over the Paris talks.

American street artist Shepard Fairey's latest piece, "Earth Crisis," a giant sphere, hangs between the first and second floors of the Eiffel Tower in Paris. The art piece will be displayed until Nov. 26, as Paris will be hosting the climate-change conference from Nov. 30 to Dec. 11.
AP Photo/Binta Epelly
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