Delegates from the around the world are gathering in Qatar today for the annual round of global climate talks under the auspices of the United Nations. The two-week Doha Climate Change Conference comes at the end of the last year that the binding emissions cuts agreed to under the 1997 Kyoto Protocol are in effect. But no new binding emissions limits are expected, barring a radical reversal from the United States, which itself never ratified the Kyoto treaty after signing it.