Brooklyn Paper: Finally, there`s a way to get around town without polluting or burning anything (or walking!). The Beautiful Earth Group, a Columbia Street “green” energy company, has set up Brooklyn`s first solar power array for the express purpose of charging electric cars. Too bad there aren`t many electric cars to take advantage of the cost-free, pollution-free, guilt-free service. “I spend a lot of time [in the charging station] thinking about the sun,” said Lex Heslin, president …