At the U.N. climate talks, former President Obama faulted China and Russia for a "dangerous lack of urgency" in cutting their climate-wrecking emissions.
Scientists say the ongoing negotiations at the U.N. climate conference in Glasgow may determine the fate of the Arctic more than any other part of the planet.
Scientists have been debating the degree of climate change, and its severity, for years. Now, governments around the world are stating the dire need to make sweeping changes to put our global house in order or the consequences could be irreversible.