… China and the U.S., there were the specifics of governmental incentives. The boom in solar development in Europe was the result of countries committed to reducing their carbon … China and the U.S., there were the specifics of governmental incentives. The boom in solar development in Europe was the result of countries committed to reducing their carbon … China and the U.S., there were the specifics of governmental incentives. The boom in solar development in Europe was the result of countries committed to reducing their carbon …