A proposed rule would narrow the definition of harm under the Endangered Species Act and could open the door to more mining, construction and other activities.

Image via Shutterstock Endangered species in America could be a little more endangered if the Trump administration has its way. The federal government is looking to limit the power of the Endangered Species Act.

On Wednesday, the Trump administration proposed changing the definition of "harm" in the bedrock environmental law, which conservationists say will undermine protections for vulnerable animals.