John Nielsen covers environmental issues for NPR. His reports air regularly on NPR's award-winning news magazines, All Things Considered, Morning Edition and Weekend Edition. He also prepares documentaries for the NPR/National Geographic Radio Expeditions series, which is heard regularly on Morning Edition. Nielsen also occasionally serves as the substitute host for several NPR News programs.
The hackers have been going after U.S. facilities that utilize an Israeli-made computer system, which is predominately used in water and wastewater systems.
Colorado's booming urban population flipped the state from red to blue, allowing a referendum on reintroducing wolves to pass. But that growing population now may be too big for them to thrive.