Wastewater flushed down the drain can be used to heat and cool homes and buildings in a sustainable way and climate experts say it is an untapped source of energy due to its stable temperature. And ...
Wastewater flushed down the drain can be used to heat and cool homes and buildings in a sustainable way. Pipes that transport sewage are already built, making it a low-cost, widely available resource, ...
Eyewitness video shows buildings and other debris in the Russian town of Severo-Kurilsk being swept inland by strong waves after a tsunami hit the area July 30.
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