Axios

An updated, authoritative United Nations disasters analysis out this morning shows there were nearly 12,000 disasters attributable to extreme weather and climate-related events during the 1970-2021 period, Andrew writes.

The big picture: Such disasters are becoming more expensive, with a total bill of $4.3 trillion and rising. At the same time, however, they are getting less deadly.

Smoke from Canada's wildfires has drifted across the border and prompted air quality alerts across multiple U.S. states over the weekend.

Why it matters: Wildfire smoke poses a threat to people's health even when hundreds of miles from the fire sites because of its harmful microscopic particles, studies show.