Editing Environmental technology (section)

===Renewable energy===
{{main|Renewable energy}}
[[Renewable energy]] is the [[energy]] that can be replenished easily. For years we have been using sources such as [[wood]], [[sun]], [[water]], etc. for means for producing energy. Energy that can be produced by natural objects like the sun, wind, etc. is considered to be renewable. Technologies that have been in usage include wind power, hydropower, solar energy, geothermal energy, and biomass/bioenergy. It refers to any form of energy that naturally regenerates over time, and does not run out. This form of energy naturally replenishes and is characterized by a low carbon footprint. Some of the most common types of renewable energy sources include; solar power, wind power, hydroelectric power, and bioenergy which is generated by burning organic matter.