High schoolers develop an inexpensive filter to remove lead from tap water

Good News Notes: “The next generation of scientists and inventors is already finding approaches to address society’s problems. Today, a group of high school students and their instructor report a solution to the problem of lead contamination in drinking water—an inexpensive faucet attachment that removes this toxic metal. Unlike conventional filters currently on the market,…

Inside Grove Collaborative’s plastic-free push

Good News Notes: “Grove Collaborative—which sells soap concentrates, compostable wet wipes, all-natural pest sprays, reusable sandwich bags, bamboo toilet paper, and more—is building the next-generation consumer packaged goods conglomerate. The eco-products maker and marketplace, which had planned revenue of $385 million in 2021 and has more than 1.5 million customers, was already carbon-neutral. Now Grove…