An eco-friendly approach to the built environment would include methods and materials that are meant to last a few centuries as opposed to the few decades we achieve now. That computes to a 100% savings of resources and a 100% reduction in carbon footprint.
To be honest, I don’t buy into the climate change bugaboo. While there’s facets of the green war that make sense from a practical perspective, mankind can’t take credit for changing the climate. The effort misses the point and falls short of substantive reform.
Consumerism is the the leading ill behind the worlds problems. The Atlantic garbage patch is there because humans have too many choices. Look at the toothpaste aisle at CVS. Ask yourself why there is a “toothpaste aisle”…. Shouldn’t a toothpaste shelf suffice?
Consider the auto industry. New models come out every year. The money spent on that is enormous. Just the marketing budget could have driven science with a result being cars that get hundreds of miles per gallon, don’t pollute, never crash and last forever.
Something as simple as a partnership with the people that made pay phones could have led to bulletproof cars.