Cimate change is one of the most important global environmental problems facing the world today. Evidence of a changing climate is all around us, from rising sea level to retreating mountain glaciers, melting Arctic sea ice, lengthening growing seasons, shifting animal migration patterns, and other changes. Such changes are already having adverse impacts on people’s well-being, as climate change amplifies the effects of other environmental and socioeconomic changes and problems and produces new effects of its own. The long-lived greenhouse gases already in the atmosphere guarantee that warming will continue, even if emissions are drastically cut today. But emissions continue to grow as population and consumption increases. The rising demand for energy,.
