Environmentalist Ma Jun built a mobile phone app that lets users see whether a Chinese factory or power plant is violating pollution standards. His efforts won him a $1.25 million prize from the Skoll World Forum on Entrepreneurship.
With many of its biggest cities are already bursting at the seams, India is working on its first 'smart' city, with gleaming towers, drinking water on tap, automated waste collection, and a dedicated power supply – luxuries to many Indians.
Pauli Murray was an attorney, professor, author, and the first black woman to be a priest in the Episcopal Church. To raise her profile, he National Trust for Historic Preservation has named her house a national treasure.
For decades, sharks have been sought for their fins and meat. But bans on finning and new attitudes toward eating shark fin soup are leading to optimism about the future for these iconic ocean predators.