Free About 1 hr0 learners Rev. 2026-10-28 0

The world has never burned more coal than it does now, and it has never built solar panels faster. Both facts are true at once, and the tension between them is the story of energy in this century. Behind the headlines sit questions most people never get to ask out loud: why does the grid have to balance itself every second, why did solar get so cheap while new reactors got so expensive, and what happens to a mining town, or a family cooking over wood smoke, when the energy system changes around them?

No equations are needed. You will learn to read an energy chart and ask how it was counted, to see why a blackout in Texas or a battery in South Australia happened the way it did, and to weigh nuclear power, electric cars and critical minerals on the evidence rather than the slogans. Most of all, you will come away able to judge an energy plan the way a thoughtful citizen should: by the services it provides, the harms it causes, and who carries each.

Levels

  1. 1 1. What Energy Does for Us 5-question quiz
  2. 2 2. The Age of Fossil Fuels 5-question quiz
  3. 3 3. The Grid: Electricity's Balancing Act 5-question quiz
  4. 4 4. Sun and Wind: Why Costs Fell 5-question quiz
  5. 5 5. Nuclear Power: The Hardest Argument 5-question quiz
  6. 6 6. Storing Energy: The Intermittency Problem 5-question quiz
  7. 7 7. Moving and Heating: Beyond the Power Plant 5-question quiz
  8. 8 8. Power and Fairness: Access, Minerals and Hard Choices 5-question quiz

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