When Illinois downplayed the results of long-delayed PFAS testing in the state’s public water supply, Chicago Tribune reporter Michael Hawthorne revisited a story he had first covered two decades before. His investigation uncovered dangerous practices threatening public health, won him accolades and moved the needle on state policy. How he went about it, in the new Inside Story Q&A.

A Biden administration initiative that commits to allocating 40% of federal investments to disadvantaged communities plagued by overpollution is an environmental justice breakthrough, writes columnist Yessenia Funes. But it’s also a program with weaknesses, such as how it factors in race or keeps track of impacts. What is Justice40, what has it missed and what is its future?

What was once benignly dubbed biosolids is more accurately tagged toxic sludge. And some of it may be finding its way into our food. The latest TipSheet reports how that came to be despite (or perhaps because of) Clean Water Act regulation, and how hard it is to calculate the potential harms. Plus, more than a dozen reporting ideas and resources for this highly localizable story.