Christian Science Monitor: The history of international efforts to rein in global warming is littered with a forest of printed reports, talking points, and treaty drafts all in pursuit of two agreements that lacked either rigorous enforcement or the participation of key signatories.
Along the way, countries found common ground on some issues. But negotiations also were arduous and ripe with finger-pointing. They pitted the industrialized world against developing countries, oil-producing nations against their biggest customers,...