Recently, I was studying photosynthesis and food chain. Timely, I found the following article in The Japan Times.

Algae market potentially worth $320 billion attracts Honda and Eneos


MATSURI project is fantastic. 

Multiple companies and institutions are working together to find a cost effective way to utilize algae. They say that many products can be made using algae as raw materials. Algae fuel could be an alternative to petroleum. 

The following article is also interesting.
Startup Euglena has global goals for its microalgae



Plants, algae and certain bacteria perform photosynthesis to produce energy. They take in CO2 and H2O from the air and soil to produce oxygen and glucose.

They (producers in food chain) bring blessings of the earth to us (consumers).