ABU DHABI, United Arab Emirates (AP) — The United Nations secretary-general on Sunday urged world policymakers to do more to address the threat of climate change as negotiators attempt to forge a new global warming pact next year.

Speaking to hundreds of international delegates at the start of a climate gathering in Abu Dhabi, Ban Ki-moon warned that time is running out to reduce harmful emissions and that political leaders need to offer bold commitments to drive meaningful change.