70 years ago, George Marshall laid the groundwork for a recovery plan for Europe, creating bonds that have linked the continent with the U.S. ever since.
Busy pedestrian malls in Guatemala City have bicycle police patrolling the streets. They are part of an initiative to improve community-police relations.
Leaders from the Group of Seven leading industrialized nations meet in Sicily on May 26. Learn about the G7 and the upcoming meeting.
Over the past few decades, Los Angeles has learned techniques to improve air quality that could benefit other major cities around the world.
"I stand before you as a representative of the American people, to deliver a message of friendship and hope," says President Trump in Riyadh, Saudi Arabia.
An open letter signed by 109 Nobel Prize winners calls on governments around the world to approve genetically modified organisms (GMOs).
Having seen the beauty of marine life, and ocean pollution, diver Anna Oposa realized that the sea needs protection, so she started Save Philippine Seas.
Gracie the border collie brings a special skill set to Glacier National Park: keeping the wildlife living in the park safe from their visitors.
Two snake catchers from India might have the secret to saving Florida wildlife from Burmese pythons. In just four weeks they caught nearly 30 snakes.