Climate Central: As negotiators gather in Peru for a critical round of climate talks, U.S. delegates are straining to explain what they call a "counterintuitive' reality: For next year's global climate agreement to be effective, commitments made under it must not be legally binding.
Such an outcome would disappoint many, including the European Union's negotiating team, which says it will be pushing for binding commitments during the United Nations Framework Convention on Climate Change talks in Lima this week...