Millions of Americans are served by private rather than public water systems. And while that may be helpful in the case of the tens of thousands of smaller systems that lack key resources, it also raises controversial questions about privatization, as well as about what’s best to insure drinking water safety in a post-Flint era. The latest Backgrounder explains this complex issue, considers the most critical issues and offers resources to report the story in your area.

Now that a top court has tossed out parts of coal ash disposal rules, also in question is a planned loosening under the Trump EPA. That means potential state-level stories on how this coal combustion byproduct may threaten environmental health and water supplies. This week’s TipSheet runs down the issue and suggests resources and questions to ask.

Plastic straws might have quickly become this summer’s bogeyman, with bans by Starbucks, hotel chains, resorts and some big cities. But as this week’s TipSheet points out, straws are only a part of the massive marine litter problem facing the world’s oceans. Here’s how to put recent straw bans into broader perspective.

​Smart coverage of the ongoing hurricane season means reporting not just people stories, but numbers stories too. This week’s TipSheet explains and offers half a dozen metrics, including pressure, width, surge and rainfall, to better track these extreme storms. Plus, should there be a “Category 6?”

​It’s a blockbuster — literally. Homes by the tens of thousands are at risk of being lost to coastal flooding in coming years, communities broken up thanks to climate change. This week’s TipSheet tells you how to find the data to tell the story and provides examples of model reporting.

It’s summer smog season, with all its unpleasant environmental and health impacts. But if you’re reporting on this perpetual problem, you may not be able to rely on the EPA to help you figure out where it is worst. This week’s TipSheet explains, then helps get you started on your own smog coverage.

The Trump administration unsuccessfully tried to hold back a flood of information on how sea level rise may inundate the nation’s park system. But now a new report yields wave after wave of stories, depending on your coverage area. TipSheet explains how to make smart use of the just-released document.

The estuaries that proliferate across the United States can be hard to define — and protect. But their role in a healthy environment makes them a crucial focus of good reporting. The latest Issue Backgrounder explores their importance, the many challenges they face, and how to track the agencies and programs meant to protect 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.