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.
Almost everyone fled Sderot, the biggest city invaded by Hamas attackers on Oct. 7. Now most have returned, soldiers are guarding schools, and residents are traumatized and insecure.