The Alaska oil industry is a significant part of the state's economy, primarily centered around the North Slope region. This area is home to the Prudhoe Bay Oil Field, one of the largest oil fields in North America. Oil extraction began in the 1970s, leading to substantial economic growth and job creation in Alaska. The industry relies on a network of pipelines, including the Trans-Alaska Pipeline System, which transports crude oil from the North Slope to the port of Valdez. While the oil industry has brought economic benefits, it also raises environmental concerns, particularly regarding wildlife and climate change.