Alternative energy is an energy resource that can be used as an alternative to fossil fuel resources such as petroleum, natural gas, and coal.
One of the most popular types of alternative energy is solar energy, which uses sunlight to produce electricity.
Wind energy is also a popular type of alternative energy, with wind turbines used to produce electricity.
Sea wave energy is an alternative type of energy that is being developed, using the wave movement to produce electricity.
Hydro energy is another type of alternative energy, by producing electricity from flowing water.
Biomass is an alternative energy type that uses organic materials such as wood, straw, and agricultural waste to produce energy.
Geothermal energy is an alternative type of energy that uses geothermal to produce electricity.
Nuclear energy can also be considered an alternative type of energy, although controversial due to security issues and radioactive waste.
Alternative energy can help reduce greenhouse gas emissions and reduce dependence on limited fossil resources.
Countries such as Denmark and Iceland have reached a high level of alternative energy use, with Iceland producing almost all electricity from geothermal and hydro energy.
