We can use many kinds of energy.Most energy in the [world] today comes from [black] coal and oil.But this will not be so in the year 2020.We will get much of our energy [from ] water.the sun,and the [wind ] .We will produce atomic energy,and leave coal and [oil] as raw materialfor cioth,piastics and other things.Some [parts ] of the world are very dry.Very [few ] people live there,but there is a lot of sunshine and wind .With [such] atomic energy and energy from the sun and the wind,we will be abie to bring fresh water from far away or change sea water [into] fresh water.