Several layers of steel casing typically enclose a well bore. The empty spaces between can be sealed with cement.

Several layers of steel casing typically enclose a well bore. The empty spaces between can be sealed with cement.

During Donald Trump’s second presidency, ProPublica will focus on the areas most in need of scrutiny. Here are some of the issues our reporters will be watching — and how to get in touch with them securely.
Learn more about our reporting team. We will continue to share our areas of interest as the news develops.
I cover health and the environment and the agencies that govern them, including the Environmental Protection Agency.
I cover justice and the rule of law, including the Justice Department, U.S. attorneys and the courts.
I cover housing and transportation, including the companies working in those fields and the regulators overseeing them.
If you don’t have a specific tip or story in mind, we could still use your help. Sign up to be a member of our federal worker source network to stay in touch.