CES 101: How a National Clean Energy Standard Can Advance Climate Action John Rogers/UCS John Rogers, Senior energy analyst | May 13, 2021, 4:18 pm EDT This post is a part of a series on Despite important progress in recent years, the power sector in the US is still a major source of emissions—both the air pollution that hurts public health and the heat-trapping emissions that cause climate change. The power sector is also important because electrification is an essential tool for getting off fossil fuels in other sectors of the economy—transportation and heating, for example (think electric vehicles and heat pumps).