Though Japanese himself, he's spent decades aiding non-Japanese survivors of the 1945 atomic bombings of Hiroshima and Nagasaki.
The love of edible insects in Democratic Republic of Congo may hold the key to tackling widespread hunger among its roughly 65 million people.
Activists say classes that confront traditional gender roles and challenge sexism among youths are a key to changing attitudes and curbing widespread abuse.
Some 1.3 billion people worldwide live without electricity, affecting health, lowering incomes, and making education difficult. Low-cost solar energy programs are beginning to meet the need.
Sack farming allows people to grow food in places with limited access to good land and with little water. It's already making a difference in dry regions of Kenya.
The Student Diplomacy Corps gives rural and urban students a chance to see the world while deepening their understanding of global issues – and each other.
The Mobile Factory turns rubble from disasters into Lego-style building blocks that snap together without cement or mortar, allowing the building to flex under stress.
The Rhino Orphanage takes extreme measures to protect its rhinos from poachers, barring all but selected visitors and not advertising its exact location.
The nonprofit program brings orphans and foster children from abroad to the US for a summer visit, where they stay with potential adoptive families.
Dirt is for more than filling base paths at the ballparks of these 'farm teams' – it’s for growing food too.
Cocoa farmers in Ghana formed Kuapa Kokoo, the 'Good Cocoa' co-operative, which helps its farmer-members in many ways.
Benevolence Farm, nestled in pastoral lands west of Durham, N.C., will serve as a transitional living program for just released female ex-convicts.
Their work could prove vital in a country where unexploded devices, including mines and unexploded shells, have killed nearly 20,000 Cambodians and wounded about 44,000 since 1979.
High-elevation communities in Peru are using greenhouses to grow more nutritional crops than the climate ordinarily allows.
Sri Lanka is the first nation to promise to protect all its mangrove trees, which provide breeding areas for marine life and protect coastal communities from storms and erosion.
Through her nonprofit Brighter Today, Mansi Prakash has brought cheaper, better lighting to more than 5,000 homes in a rural village. And she's not stopping there.
Rescues 2the Rescue, a partnership between the International Fund for Animal Welfare and Working Dogs for Conservation, places high-energy dogs in jobs that benefit from their spunk.
A pilot project offers farmers in India the opportunity to sell the excess energy generated by the solar panels that drive their water pumps.
The Bill and Melinda Gates Foundation was once more the biggest recipient of Warren Buffett's $2.8 billion in charity this year.
The engineering professor is seeking to lure more young women into STEM fields. The Next MacGyver competition is one way.