An Arizona energy company is betting big ... algae-to-biofuels farm on the Texas Gulf Coast near scenic Harlington Harlingen Texas. The farm is a 1,100 acre network of saltwater ponds, 20 acres ...

South Africa’s rural wastewater treatment plants release polluted water if they aren’t maintained properly. Microalgae that purify the water could be a solution.

In ponds large enough to include ... I mention algae not only because those are the most recent questions, but because it is common, easy to control and can cause problems most quickly.

The second type of fish that you could buy for aquatic weed control ... farm pond to eat some of the smaller nuisance weeds. Specifically, tilapia are great at controlling filamentous algae ...