Nuclear Power: Introduction Science Education for the Early Grades › Forums › Volume Three › Learning Progression A. Nature of Matter › Lesson A-25. Nuclear Energy › Nuclear Power: Introduction This topic has 0 replies, 0 voices, and was last updated 2 weeks, 4 days ago by Bernard Nebel. Viewing 0 reply threads Author Posts September 12, 2022 at 4:49 pm #9029 Bernard NebelKeymaster See: nuclear power plant images/ Note the clear sky (no smokestacks emitting greenhouse gases) and absence of pollution surrounding plants. (The large conical structures are cooling towers for condensing steam back to water.) There are currently 92 such plants operating in the US producing 15-20% of our (US) electrical power. Most of these plants were built and came on line between 1970 and 1990. Little more since then. Why not? This will be your main discussion question at the end of this lesson. Author Posts Viewing 0 reply threads You must be logged in to reply to this topic.