It amazes me that in the world we live in that more people don’t seek to build through abundant local resources that could dramatically change the future of those living within them and the environment around them.
Building superadobe and mud homes is considered private to most of us. But they are the most resistance, durable, and low cost building materials in the world. They provide protect from the temperatures changes and weather. As for heating and cooling, that is done over all passively through the very structure itself. They can be designed to work in extremely wet and cold climates just as effectively as in hot dry climates.
Here is a small example of one nation which still uses ancient techniques to build their earth homes.