Flowing water, wind, sunlight, and nuclear materials are all resources that are used to generate electrical energy. Hydroelectric, wind, solar, and nuclear power stations are not believed to directly impact the global climate because A. they are able to generate more electrical energy than other types of power stations. B. they all use renewable energy resources and do not negatively impact ecosystems. C. they do not directly release greenhouse gases into the atmosphere. D. they do not release any type of pollution into their surrounding environments.