Ammonium nitrate, the explosive agricultural fertilizer that blew up in Lebanon this month,  killing dozens and severely damaging Beirut’s center, is stored by the thousands of tons all over the United States. But regulatory blindspots and secretive information policies mean few know exactly where. Backgrounder reviews the chemical’s oversight regime — and its gaps — and has ideas for reporting from your community.

The dramatic drop in demand for oil, driven by the shutdown of world economies by coronavirus, has meant a corresponding fall in prices. And that has profound environmental implications. But it’s a complicated dynamic to assess. Our Issue Backgrounder provides a look under the hood of Big Oil, and explains what it means for environment reporters. Plus, a Reporter’s Toolbox for tracking the data [24].

SEJournal welcomes back from hiatus our WatchDog feature, now recast as an opinion column from Joseph A. Davis, Society of Environmental Journalists’ veteran freedom of information advocate and longtime SEJournal contributor. In part one of a two-parter, find out why we’re relaunching the new column, plus get Davis’ take on government openness (or lack thereof) around coronavirus, as well as more on SEJ’s deep commitment to open information and a rundown of its recent FOI activities. And watch for part two next week.

It may be time to dive into the deep end of the ocean for environmental stories, where big vessels and small are often involved in spills, illegal fishing or more. The latest Reporter’s Toolbox looks into emerging ship-tracker services that offer data to help trace the source of environmental damage, and that can help create some eye-popping visuals.

As U.S. coal’s comedown continues, our latest Issue Backgrounder takes a close look at the factors behind the industry’s decline and finds a combination of economics, competition and shifting global markets, along with aging technology, politics and environmental pushback. What’s in store for coal in 2020?