3 Global warming science. http://www.globalchange.com Ice core samples. Graphs of carbon dioxide and temperature. Future is about emotion. Scientific debate and controversy. Ice caps carbon dioxide bubbles trapped, carbon dioxide concentrations, tree ring climate estimates, hydrogen isotopes in ice, ice ages mapping and climate history, Future climate change and future carbon dioxide levels. Future peak of atmospheric levels of CO2. Stabilisation CO2 levels. Human activity impact on gobal warming and CO2 levels. Impact of global warming on government action, building regulations, energy conservation, activist pressures, business responses to global warming. Customers, consumers, shareholders pressure. Speed of change. Heads of State speeches, commitment to cut CO2 emissions and carbon footprint of buildings and real estate. Economy, global warming, energy conservation and real estate industry. Environment, environmental change, climate change. Risks in real estate...