When it comes to the wildfires that now regularly threaten life and property, it’s not just the flames that create risk. Wildfire smoke itself can cause harm, even a long way from the fire. This week’s TipSheet explains the health threats of wildfire smoke and how to monitor the risk for your own area.

A running list of endangered rivers becomes an annual starting point for strong local coverage of critical water issues. This week’s TipSheet spotlights the latest additions to an inventory of trouble spots around the United States, plus key angles and issues for coverage, and a selection of top resources.

The Great Lakes are not only the largest fresh water system in the world, supplying drinking water to tens of millions. They also face a range of environmental woes that make them ready fodder for reporters. This week’s TipSheet runs down some ongoing developments, plus key resources to cover them.

They may not be the sexiest topics on the environmental agenda. But building codes and zoning can become a matter of life and death when natural disasters strike. This week’s TipSheet runs down the reporting challenge when floods, earthquakes and wildfires threaten your coverage area.

Lead is not just poisoning much of the U.S. drinking water supply. It’s also a threat to millions of the nation’s children, who continue to ingest lead paint chips from older housing stock decades after lead paint was banned. This week’s TipSheet explores this perennial problem and offers resources for local coverage.

Decades after the nation’s capital began its historic cleanup, sanitary sewage still occasionally swamps the Potomac River. Are sewage systems also dumping human waste and other pollutants into waterways near you? This week’s TipSheet has the background on the problem of combined sewage overflow, as well as resources for finding out what’s happening near you.

Coal ash can contaminate surface and ground water with toxic heavy metals. But as this week’s TipSheet reports, Trump deregulation aims to loosen EPA rules on its disposal. That may mean a big local pollution story. If journalists can find the data, that is. The latest on the new rules, plus resources for coverage.

As new research reminds us that pollution often disproportionately affects poor and minority communities in the United States, a long-standing mapping tool from the EPA can help reporters explore and discover those environmental justice stories nearest them. The latest TipSheet explains the problem, and walks you through the mapping app.

They count in the tens, perhaps hundreds of thousands, and each one is a potential story. This week’s TipSheet looks at abandoned mines spread across the United States, many of them polluted, and with few cleanups underway. Find out what’s at stake, and get reporting resources.

Covering local infrastructure projects often means covering energy and the environment. This week’s TipSheet offers a companion to our special backgrounder on the national infrastructure story emerging out of Washington. We’ve got dozens of resources and links for finding infrastructure news and information from Congress, executive agencies, infrastructure organizations and environmental groups.