Giant green algae blooms

Water in many lakes in the United States turns green because of algae outbreaks, while China's east coast also suffers a similar situation.

Picture 1 of Giant green algae blooms
Chinese soldiers salvage algae on the coast of Qingdao City, Shandong Province. (Photo: Xinhua News Agency)

Picture 2 of Giant green algae blooms
Lake Erie is like a green gem in a photo taken by an artificial satellite from space. The blue of the lake is made up of algae. (Photo: NASA)

Picture 3 of Giant green algae blooms
The body of a fish washed ashore on Lake Erie on the US and Canadian border. Thousands of fish die due to lack of oxygen after algae outbreaks on the lake surface. (Photo: NSF)

Picture 4 of Giant green algae blooms
A motorboat glides on Lake Erie's face. Algae not only cause damage to tourism and fisheries, but also can harm human health. (Photo: National Geographic)

Picture 5 of Giant green algae blooms
Klamath River water in California state, USA, turns green because of the outbreak of toxic algae. (Photo: Corbis)

Picture 6 of Giant green algae blooms
Chinese people look at piles of algae on the coast in Qingdao City, Shandong Province. (Photo: Xinhua News Agency)