Eric Walker added Living underground after collapse. to Underground dwellings
Eric Walker changed the title of Reddit - Dive into anything to "Could earth-sheltered homes or underground living help us survive in higher temperatures?"
Eric Walker added Reddit - Dive into anything to Underground dwellings
Eric Walker added Prediction: Were gonna become mole people before 2040. : collapse to Underground dwellings
Eric Walker added Prediction: Were gonna become mole people before 2040. : collapse to Underground dwellings, and added Underground dwellings to Architecture, nature and the environment
Eric Walker added a number of topics and a number of links to Architecture, nature and the environment, and added Architecture, nature and the environment to The environment, the Earth's ecosystem, ecology and environmentalism and Architecture and buildings