The Waldorf Astoria, The Peninsula New York, and The Pierre are among 16 posh hotels pledging to reduce greenhouse gas emissions 30 percent by 2025.
New York's Intrepid Sea, Air & Space Museum preserves history while inspiring young Americans to become bold, innovative, and daring explorers themselves.
Will MacAskill promotes 'effective altruism,' which advises people to give large chunks of their income to effective charities while downplaying 'Fairtrade' products.
Volunteering to mentor youths wasn't a familiar concept. So Mr. Sklotskiy became director of Big Brothers Big Sisters of Russia to promote it.
Hampshire College in Amherst, Mass., will soon be home to a 'living building' and become the only residential college generating 100 percent of its electricity from solar panels.
A transplant herself, she opened Neue Nachbarschaft or 'new neighborhood,' a community center where newcomers can learn German and get to know locals.
Kei Kamara escaped civil war in Sierra Leone to become a top professional soccer player in England and the US. Now he's helping his home country through the nonprofit group Schools for Salone.
Deb Walters is on a 2,500-mile odyssey to promote the nonprofit group Safe Passage.
The new land restoration program builds on commitments made by African countries as part of a UN deal to tackle climate change agreed on in Paris.
Today she runs four homes for orphans and others in need across India's state of Maharashtra, caring for more than 400 children and 150 abandoned women.
Utilities from Spain to China are increasingly relying on pumped storage hydroelectricity – first used in the 1890s – to overcome the intermittent nature of wind and solar power.
Vernis Jackson led a coalition to create the Portsmouth African Burying Ground memorial park, which honors those buried there and educates visitors about the site's history.
An innovative citizen-led action in India has become a model for what's possible to protect water supplies, backers say.
Om Khaled has emerged as an inspirational leader, running five centers in northern Syria that provide education and hope to thousands of women.
Van Ngoc Ta rescues Vietnamese women and girls trafficked to China for the sex trade as well as victims of forced labor.
Students from New York City live at the ABC House and attend Glastonbury (Conn.) High School. It's a learning experience for both the students and their host families.
His Shared Adventures brings recreational and social activities to people living with disabilities.
'Our vision is to build a global community with millions of people helping each other every day' by doing good deeds, says the website's cofounder.
Leo Gruba, who sees his 'duty' as a 24/7 commitment, volunteers with scouts, schools, fund-raisers – wherever he can help his community.