It has never been easier to be ecologically sensible than it is today. Most people in rich countries won’t become ecologists overnight but will gradually change to ecological energy sources and better efficiency to save money. It is true that climate protection costs something – but what are the costs of NOT protecting the climate? Societies that switch to renewable energy sources have bright prospects for the future. The solar age can solve our energy problems for ever. Oil, coal, gas and uranium will soon be depleted but we will be able to use solar, wind, biomass, sea, water and geothermal energy for millions of years.