He says the damselfish had to find new grounds for algae after the staghorn coral disappeared.

VOA: special.2010.08.10

They kill parts of coral colonies or communities, so that simple organisms like algae can grow.

VOA: special.2010.08.10

But he is hard at work. He and his team currently are trying to make algae that can change carbon dioxide back into fossil fuel.

VOA: special.2010.07.20

Damselfish use the resulting gardens of algae for feeding and producing young.

VOA: special.2010.08.10

Algae microorganisms in the water overpopulate because of the surplus nitrogen.

VOA: special.2009.07.28

They were imported to eat algae and other microscopic organisms.

VOA: special.2009.12.15

The algae take much of the oxygen from the water.

VOA: special.2009.07.28

Carbon dioxide produced by the power plant can be recycled back into the bioreactors to help promote more algae growth.

VOA: standard.2009.09.02

But Woods notes that algae, using Algenol's patented process, produces eight times more energy than the energy used to make it.

VOA: standard.2009.09.02

For Dow Chemical,the main focus will be producing material from algae that can be used to make plastics.

VOA: standard.2009.09.02

And unlike corn, algae is not grown for food.

VOA: standard.2009.09.02

The bioreactors will grow algae that can produce ethanol fuel through a special process that involves using carbon dioxide from nearby coal-burning power plants to promote faster growth of the algae.

VOA: standard.2009.09.02