Business Green: China overtook the USA for volumes of new installations and manufacturing of wind turbines for the first time in 2009, according to a report by the Global Wind Energy Council (GWEC). The world’s wind power capacity grew by 37.5GW to 157.9GW during the year, with a third (13GW) of these additions made in China, which doubled its capacity in the period. “China is putting strong efforts into developing the country’s tremendous wind resource. Given the current growth rates, it can …