The Cerro Verde copper mine built a wastewater treatment plant for Arequipa, Peru, solving the town's clean water needs as well as its own.
McDonald's Germany, which has hired 900-plus refugees from Syria and other countries, teaches workers about their jobs and about German culture.
A Mexican group, Isla Urbana, is collecting and cleaning rainwater for households, schools and health clinics, and changing lives.
A community in rural Virginia found creative ways to ensure that progress and growth take into account how resources are used.
Refugee farmers are providing their new communities with food through the New Roots program, which allows them to turn vacant city lots into urban farmland.
Japan has joined Power Africa, an initiative President Obama announced in 2013, and will work with African governments to develop geothermal power.
Refugees can boost, not burden, economic growth in the communities that host them, a new study by the United Nations concludes.
Industrial engineer Paul Tasner creates biodegradable packaging that would offer the same quality as its plastic counterparts.
Engineers Without Borders USA works on what the engineers call "low-tech, high-impact projects" in 42 countries, from latrines to water supplies to bridges.