Based in Perth, Michael joined The Conversation after several years as a journalist with Fairfax, The West Australian, and others. Before moving to Australia from his native U.K., he was a senior news and features writer for Nature.
The United States bears its share of responsibility for this crisis that is destroying Ukraine and placing the world in "unprecedented danger," as the Bulletin of the Atomic Scientists' new Doomsday Clock statement calls it.
Per- and polyfluoroalkyl substances are a growing concern because of the many health impacts associated with exposure and their tendency to persist in the human body for months to years and in the environment for thousands of years.