1: The technlogy of building 2: Impacts of construction 3; Issue: A concrete problem 4: Sustainable materials 5: Solve it! Design eco-homes 6: Test it! make a brick 7: Issue: Energy-hungry homes 8: The Earth's tilt 9: Solve it! Using the Sun's energy 10: Test it! Sunlight and the seasons 11: Issue: Too hot or too cold 12: Thermal energy transfers 13: Solve it! Prevent heat loss 14: Test it! Insulation experiment 15: issue: Unsustainable water use 16: The water cycle 17: Solve it! Reduce water consumption 18: Test it! Make a water filter 19: Houses in the future 20: Answers 21: Glossary 22: Index.