27 Nov 09

Oil is an expensive resource that is rapidly becoming harder to find. Eventually, we are going to have to find a renewable fuel source to replace it. These scientists think they already have—algae. (3:08 min)
27 Nov 09

Lake Atitlan which thousands of Guatamalans depend on for food and transport is under threat. A dangerous algae has contaminated the waters, threatening to destroy not only the lake, but also the livelihoods of the people who rely on it. (2:44 min)
8 May 09

Researchers say algae may be the next alternative to oil. The AP’s John Mone reports. (3:11 min)