Global health hinges on drastically reducing greenhouse gas emissions, a chief mover in the field of climate change told delegates Tuesday at the World Health Assembly in Geneva.

Christiana Figueres, executive secretary of the United Nations Framework Convention on Climate Change, praised the groundbreaking Paris Climate Change Agreement signed by 177 countries and likely to come into force in the next year or two.

She says the deal is promising for both the climate and global health.

"In addressing climate change by reducing emissions, we are preventing the worsening of health conditions around the world,” s