Jodi Monroe My partner and I belong to a community of houses floating side by side in the Columbia River. Our house is on the smaller size at 885 square feet, but our neighbors' houses vary in size.

Spiro and Jones spent $90,000 building their floating home and say it would have been difficult to buy a house on land for that price. They pay a $5,000 annual mooring fee for their floating home.

Around 26,910 square feet of floating solar panels could provide clean energy for the Netherlands. Six Dutch companies and institutions are developing the offshore solar plant, Project Solar-at ...