When fallout from the Fukushima nuclear disaster began appearing last Spring in U.S. air, rainwater, drinking water, and milk, many U.S. media outlets ignored the story.
It was a difficult story to cover. The U.S. Environmental Protection Agency was releasing raw data erratically, sometimes late on Friday afternoons, and reporters either had to possess radiation expertise or take a crash course in picocuries, millisieverts, MCLs and DILs.