If Summit’s proposed CO2 pipeline is approved, the water used by ethanol plants on and off the route would be equal to the annual water use of 529,000 people — more than the population of the Cedar ...

On the edge of the Mojave Desert, 60 miles north of Los Angeles, a new water treatment plant will turn wastewater into drinking water. The plant will also test something new: removing CO2 from the ...

As more parts of the world face intense drought, new technologies are emerging to clean and reuse existing water. Investors are seeing potential for big profits. Subscribe to read this story ad-free ...

Scientists led by China’s Dongguan University of Technology have proposed a novel control approach for water-to-water heat pumps that uses carbon dioxide (CO2) as refrigerant. The model-based optimal ...

A lightly trafficked stretch of road near Bakersfield, California, may seem an odd place to try to solve two environmental crises at once. But there, sandwiched between a decommissioned solar thermal ...