If you really want to fight food waste, eat fish heads, the U.N. says. They're nutritious and delicious, but most fish heads get thrown back in the sea as trash or turned into livestock feed.
To stay competitive, Europeans need cheaper natural gas but they also need to be less dependent upon Russia. They're looking at fracking as a solution, but opponents have environmental concerns.
Former NBA star Yao Ming is very famous in China, and he's using his fame on behalf of conservation issues. Now a member of China's parliament, Yao is calling for a ban on the sale of ivory in China.