New rules on soot may soon be on the way and will likely stir up the long-standing controversy over air pollution from particulate matter. The latest TipSheet has the backstory on the pending regulations, reviews human health impacts and offers a range of story ideas and reporting resources for environmental journalists to tell the story on a local and regional basis.

A new data tool that captures information on 1.5 million-plus active U.S. oil and gas production facilities can be a powerful tool for journalists looking to report on potential pollutants, especially when overlaid with local census data, school locations and the like. Reporter’s Toolbox takes a closer look at the new Oil & Gas Threat Map, shares caveats and offers story ideas.

Millions of Americans rely on their own onsite wastewater treatment, commonly known as septic systems. And many of those systems are connected to private wells. But unless they are properly sited, designed, built and maintained, they can contaminate drinking water, bringing dangerous waterborne illnesses. The latest TipSheet explains how to turn this often ignored issue into a local story.

An intriguing portal to the vast data resources of the U.S. Environmental Protection Agency — the Environmental Dataset Gateway — could lead to many hidden story ideas, suggests the latest Reporter’s Toolbox. Find out more about the EDG and consider a handful of possible angles, including PCB transformer registrations, precipitation, heat-related hospitalizations and chemicals in consumer products.