The eruption of the Hunga Tonga-Hunga Ha'apai volcano in Tonga has allowed scientists to better study how the atmosphere works, enabling them to predict how the changing climate will affect future weather.
By increasing temperatures and driving up sea levels, climate change will likely worsen disasters wrought by tsunamis, storm surges, and heat waves, experts say.
As it struggles to clean up and reconnect with the world, Tonga confronts the risk that international aid workers could bring in a virus it has so far kept out.
