Biomass Energy is the oldest source of Energy known to mankind and till the 19th century was the primary energy source.Even now Biomass Energy is used of Heating and Cooking by a large percentage of the Human Population.Biomass Energy with improving technology is being now used to construct large power plants.Growing Concerns over Climate Change and soaring Coal Prices are making some Power Plants convert from Coal to Biomass as a Fuel Source.Biomass Energy has many advantages such as being Carbon Neutral,using Animal and Crop Wastes in a useful manner,being poor friendly etc.However Biomass Energy like other Renewable Energy forms of Geothermal Energy faces problems of resources.However Biomass Energy suffers from some unique drawbacks like the problem of regular feedstock which becomes tough to acquire in times of drought etc.Biomass Energy also if not used appropriately can result in terrible air pollution as is the case with a majority of the Biomass Energy being used in the backward areas of the world today.Here is a list of the Cons of Biomass.