The researchers estimated that around 3% to 13% of people in the province live within 1.5 kilometers (a little under a mile) of an active oil well and an active flare, where excess gas is burned off.

“Seeing a flame on the flare tip is not bad,” Maestas ... The flares burn off excess gas to avoid explosions and are a necessary part of oil refining. The project should improve emissions ...

BISMARCK, N.D. (AP) — Natural gas flares at oil wells sparked two North Dakota wildfires earlier this fall, according to reports from the North Dakota Fire Marshal's Office. Investigators ...

(Staff Sgt. Samuel J. Kroll/U.S. Army National Guard/The Associated Press) BISMARCK, N.D. — Natural gas flares at oil wells sparked two North Dakota wildfires earlier this fall, according to ...