Most people are
familiar with solar power and wind power, but there are different
types of alternative energy that are not as well known that are fast
rising in popularity. Alternative energy means using energy that is
not sourced from fossil fuels such as coal and gas, so it's important
to always explore new sources as fossil fuels are polluting our
planet.
One of these different
types of alternative energy is called ocean thermal energy
conversion. Despite it's long name, this type of energy is simply
produced from the difference in temperature between shallow and deep
sea water.
Geothermal energy is
energy that comes from deep within the earth itself. It is more
available in certain parts of the world where the hot rock, called
magma, is nearer to the earth's surface. Geothermal magma first
needs to be located by drilling down into the rock and then pumped to
the surface.
Many different types of
alternative energy are still being explored. However, in the not too
distant future, they will be taking over from our coal and gas fired
power plants.