A Dutch team is applying the principles of the fair trade to mobile phones to combat the 'conflict mineral trade.'
A new supermarket lets shoppers bring in their own reusable containers for everything from butter to beer.
Clean energy entrepreneurs are exploring how to turn tidal power into zero-emissions electricity with very little environmental impact.
Playmancer is designed to help with physical rehabilitation as well as mental health issues, like bulimia and gambling addiction.
Business students are hoping to take advantage of the "sanitation value chain" to turn toilets into money making machines.
Alec Loorz, a 16-year-old, started the group Kids vs. Global Warming at 12. Now he's suing the federal government to try to help clean up the environment.
High oil and gas prices are driving up the price of chemical fertilizer. One man believes manure management could save humanity from the crisis.
Syrian protests continue in the face of gruesome images of torture by the Syrian government. Human rights groups are making sure the world can see those images.
The founder of PayPal Peter Thiel is offering some of his own money to pay students to drop out of school and start their own businesses.
Oprah Winfrey's talk show is aired in about 150 countries, and it's been the model of scores of talk shows around the world.