Earth-sheltered homes may require mechanical ventilation systems. Resale value: Some potential buyers may have reservations about living underground, impacting the resale value of these homes.

If it's good enough for Bill Gates....The Microsoft founder and his wife, Melinda, live in a 66,000-sqaure-foot house in Medina, Washington. The value of the house, built in the Pacific Lodge ...

Earth-sheltered homes can be aboveground with three walls banked with dirt, or they can be carved into a large hill or built below ground. The LeCaptains' Dublin home is encased by earth about 9 ...

Any earth-sheltered house had better be very carefully sited so that it doesn't fill up with water. They are probably best built into the sides of hills, as they were in Hobbiton. 2.

Texas summer camp images raise parental fears, safety questions; ... Local scientists are building an earth-sheltered home in Southwest Florida in an effort to create a sustainable way of life.

In earth-sheltered structures, on the other hand, one study noted energy usage reductions as high as 80 percent (though the average is closer to 46 percent).

Earth-sheltered homes can reduce heat loss and maintain a constant indoor air temperature. (Gates probably has no problem paying his heating and air conditioning bills, but we like the ...

Earth-sheltered homes can reduce heat loss and maintain a constant indoor air temperature. (Gates probably has no problem paying his heating and air conditioning bills, but we like the ...