People in the West African country of Senegal have made their living from the sea for generations. But overfishing has put the region's fish stocks in crisis. And the Senegalese are struggling to find a solution. Jori Lewis has this report.
As millions of more Chinese enter the middle class, many are demanding a key passport to that lifestyle: a car. Millions throughout the developing world have the same demand. The world can't sustain this. One possible solution: car sharing.
Sustainable development is a term used to describe how natural resources like water, food and energy can be used wisely to meet today's needs while ensuring that they'll be around for future generations
The United States recently joined other leading industrial nations to pledge 20 billion dollars towards improving farming in Africa. But as The World's Gerry Hadden reports from Morocco, some Africans are wary of this latest round of help from outside.
Droughts and floods can cause food crises. But so can politics and economics. Reporter David Hecht examines the roots of the 2005 food crisis in the West African nation of Niger and why so many children starved to death despite an adequate harvest.
Costa Rica, a tropical country known for its national parks and ecotourism, has taken a step to protect its environment. But in this environmentally conscious nation, a new ban on hunting faces obstacles.
The World's Clark Boyd reports from Denmark on a new factory that's making ethanol from straw. If the technology pans out, supporters hope it will help replace both gasoline and biofuels made from food crops.