“Hotspots” Boost Solar Desalination by 50%
Solar desalination methods have been around for awhile, both for powering the process, and to help with evaporation. Rice University’s solar-powered approach for [...]
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Mining Nutrients From Wastewater
Editor’s Note: This article is part of a series of guest columns on innovative energy technologies and opinions. Yalin Li, Colorado School of Mines Most people think as [...]
Your Next Car Fuel: Water, Not Gas?
H2O in place of gas sounds pretty alluring. It also sounds pretty far out there. But given that we here at Cleantech Concepts have seen a lot of work on hydrogen production [...]
“Deep Farms” Could Avoid Inefficiencies of Surface Farming
In these days of increased concern about climate change, two of the greatest vulnerabilities affecting our current food production are the availability of arable land and the [...]
InPipe Energy: Power through Pressure
It’s the new hydropower. Not dams, no reservoirs, just pipes. With help from Oregon State engineering researchers, an Oregon startup company is developing a system to [...]
Custom Electric Boats Clean Suzhou Canals
China is on a cleantech tear, even at a municipal level. Recognizing that the waste in its waterways was detrimental to its image and business, the historic City of Suzhou in [...]
Eye in the Sky Reduces Nitrogen Use for Precision Farming
Concept: Run satellite data through proprietary models to pinpoint needs for nitrogen fertilizers. Swedish firm Vultus is introducing a service for farmers to help them [...]
Cleantech’s Little-Known Multi-Billion-Dollar Market: Oil & Gas Production
Concept: The oil & gas industry isn’t going away any time soon, so let’s consider it a global opportunity for clean tech innovation. To secure a sustainable future, [...]
“Magic Sponge” Soaks Up Water Contaminants
The concept: deploy a re-useable massive sponge with absorbent nano-fibers to soak up oil and chemicals from bodies of water and the high seas. It sounds like a late-night [...]
Targeting that Fracking Wastewater
The hydraulic fracturing (fracking) industry doesn’t have a lot of positives to show for itself. While the technology has helped to wean the US from dependence on foreign [...]
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