Related by context. Frequent words. (Click for all words.) 73 algae 62 algal 54 Biofuels 54 Biofuel 53 microalgae 53 Bacteria 53 Biomass 52 Biodiesel 50 algae blooms 50 cyanobacteria 49 Ethanol 49 microorganism 49 Microbes 48 Microbial 48 Nutrients 48 biofuel 47 Pollution 47 Aquaculture 47 biofuels 46 Desalination 46 Fungus 46 microbes 46 diatoms 46 algal blooms 46 algae bloom 46 OriginOil 46 Bio 46 Jatropha 45 Bioenergy 45 biomass 45 organisms 45 Nitrogen 45 Insects 45 Sediment 45 bacteria 45 toxic algae 45 microorganisms 44 Hydrogen 44 Membrane 44 Nutrient 44 Bacterial 44 Toxins 44 bioenergy 44 bioremediation 44 Alternative Fuels 43 Nanotech 43 Nanotechnology 43 Fungi 43 Renewable 43 fungi 43 micro organisms 43 cellulose 43 Insect 43 jatropha 43 Enzymes 42 Seaweed 42 BioEnergy 42 Nanomaterials 42 plankton 42 Methane 42 Enzyme 42 Nanoparticles 42 Tilapia 42 Pollen 42 Pollutants 42 fungal 42 nutrient rich 42 microbial 42 didymo 42 bacterial 42 Soils 42 cellulosic biofuels 41 corn ethanol 41 cellulosic ethanol 41 biodiesel 41 Biodegradable 41 microbe 41 marine organisms 41 grasses 41 switchgrass 41 hydrilla 41 Renewable energy 41 woody plants 41 cellulosic 41 Carbon Dioxide 41 Plants 41 bio fuels 40 aquaculture 40 Proteins 40 Sludge 40 Contamination 40 CleanTech 40 organism 40 Pesticide 40 Ammonia 40 Biotech 40 Manure 40 ethanol 40 blooms 40 nematode 40 Renewable Energy