Solar and wind energy are the only 'cheap' energy there.
wind energy is only air but wind mills and wind turbins are about 5m to 10m dollars... so yes they are expensive.
well, wind is free, but u have to biuld turbines, which are NOT free, so not really...
Advantages: clean energy, relatively cheap, "green" source of energy. Disadvantages: wind turbines can kill birds, the turbines themselves are not very attractive to look at.
The only thing that limits the abundance of wind energy is not educating the public how effective and cheap it is in the long run. It can be difficult to convince tax payers to pay for installation of multiple windmills and energy capture from the windmills.
wind energy is energy that is caused by the wind a example of this is wind turbines
Wind energy is not called solar energy. Solar energy is the energy from the sun, while wind energy is just wind energy.
Wind energy is just called wind energy.
Wind turbines (in a wind farm) convert kinetic energy of the wind into electrical energy. Not to be confused with wind mills - that turn the kinetic energy of the wind into mechanical energy.
When burned for energy,coal is a major pollutant.The reason coal is still burned to day is because it is a cheap source of energy as to solar or wind.
solar energy is energy from the sun and wind energy is energy from the wind
no but yes. it is the most cheap form of electricity but is way more money then buying an old power plant.