With the federal government now requiring that states pay closer attention to cybersecurity risks in their regular audits of public drinking water systems, environmental journalists should be doing the same, suggests the latest TipSheet. Here’s how to gauge the cyber risk and to understand the current safe drinking water regulatory regime, plus story ideas and resources to bolster your local reporting.

Geothermal has long been hyped as the next big thing in renewable energy, but its breakthrough moment hasn’t happened yet. Barriers to expansion include the elusiveness of sites offering the magic trio of heat, water and permeability and concern for unique ecosystems. Contributor Jessica McKenzie on geothermal energy’s possibilities and challenges and the government funding that may finally fire it up.

When humans began to put down roots, we also started to forge what Giulio Boccaletti calls a “social contract” with water. In his new book, “Water: A Biography,” the London-based scientist explores that relationship through a long historical lens. BookShelf contributor Gary Wilson reviews the volume and finds that political ambitions and economic development are central to the story.

Industrial hog farmers tout swine biogas as a clean, green energy source, but others point to its messy side. A young journalist who investigated the underreported stench of environmental racism associated with this technology learned valuable lessons along the way to producing a feature story that won her a Society of Environmental Journalists’ award for outstanding student reporting.