American bullfrog populations have exploded around the world with dire consequences for native wildlife. But researchers say they may have found a way to help these species rebound.

President Trump's use of the National Guard in LA raises legal and ethical questions. NPR speaks with Hina Shamsi, director of the ACLU's National Security Project, about them.

The Los Angeles fires were a clear reminder of how climate change is increasingly affecting where we live. That's why all this week, NPR will be bringing you climate solutions related to housing.