World Ash From Tonga Volcanic Eruption Still Poses a Threat January 20, 2022January 20, 2022Mike Ives and Eric NagourneyComments Off on Ash From Tonga Volcanic Eruption Still Poses a Threat Ash from a volcanic eruption in the South Pacific nation presents risks to drinking water and air quality, experts say. Quantifying them in real time is a challenge.
