Result for '석탄'

Solar

When you look at the stars and the galaxy, you feel that you are not just from any particular piece of land, but from the solar system. - kalpana Chawla
Solar power is the last energy resource that isn't owned yet , nobody taxes the sun yet. - Bonnie Raitt
The total amount of energy we use every year , from coal, oil, natural gas, hydro, nuclear, and everything else , is dwarfed by the amount of solar energy hitting the planet each year. - Ramez Naam