PFAS “forever chemicals” are everywhere, including in groundwater and soil. Getting them out has for years involved pumping, treating and trucking, with varied results. A company called Regenesis has introduced a solution called SourceStop that uses activated carbon to, as the name suggests, stop PFAS contamination on site, in the ground. The rollout comes 10 years after PlumeStop, another in-situ technology that’s been used to treat PFAS in more than 50 projects, says Scott Wilson, CEO and...

The University of California, Berkeley has one of the top environmental programs in the nation. But student Sage Lenier wasn’t feeling it back in 2018. “What I was realizing was missing was an interdisciplinary analysis of climate solutions, not just problems.” So, at age 19 and while pursuing conservation resource studies (not a teaching degree), Lenier designed an environmental education class aimed at sustainable solutions, circular systems and empowering students. The two-credit course...