The United States and the world have changed significantly in the dozen years since terrorists launched the biggest attack on U.S. soil since Pearl Harbor. The Post’s David Beard looks at 10 of those changes.
1. U.S. has become less dependent on foreign fuel Decades of dependence on Mideast oil prompted U.S. alliances with regional monarchies that 9/11 organizer Osama bin Laden opposed. But that dependence is shifting. Domestic production of natural gas as an alternative fuel, led by technological changes in extraction, is at its highest in decades. That growth seems poised to continue whether or not Washington approves the controversial Keystone XL pipeline carrying Canadian oil from tar sands. Read the articleAndrew Burton/Getty Images
NASA tried one last time to contact its record-setting Mars rover Opportunity, but declared it dead on Feb. 13, 2019, 15 years after arriving at the Red Planet. The solar-powered rover has been silent for eight months, victim of one of the most intense dust storms in decades.