Questões de Concurso

“This daunting challenge”, in paragraph 4, refers to the

(a)

use of solar and wind power to produce 20% of the U.S. electricity.

(b)

exclusive use of renewables to generate electricity in the U.S. by 2050.

(c)

sudden rise of renewable energy sources in the U.S. in the last decade.

(d)

insertion of nuclear power in the U.S. electricity grid in the next fifty years.

(e)

goal of achieving a carbon-free electricity grid in the U.S. by 2035 to fight the climate crisis.