Found an algae blog in a comment on a story. Thought it would be a good idea to search for more and post links here.

http://nualgi.blogspot.com
...Algae have many uses, Treating sewage, Phyto-remediation of polluted lakes and rivers, Biodiesel, food for fish and shrimp. Nualgi is a mircro nutrient that boosts growth of algae...

http://cee-algae.blogspot.com/
...A public blog for the discussion of algae, phytoplankton, photomicrography, Michael R. Martin's Phytoplankton Image Library, and the images found therein...

These people want to kill algae:
http://pondalgaesolutions.com/blog/
...For quite some time now, those of us at Pond Algae Solutions have believed that there were often better alternatives to using chemical algaecides for treating pond algae problems...