Solar is replacing grid-connected electricity and diesel fuel in powering irrigation pumps in India, increasing efficiency and productivity and saving money.
All you have to do to make natural gas look good, it seems, is compare it to coal.
This smart entrepreneur runs a company that is using solar-powered “water ATMs” to bring clean water to remote villages in India.
“Robust opportunities for reductions in greenhouse gas emissions, as well as for the conservation of scarce water resources,” can be found, a new report says.
Using Hong Kong’s experience using seawater as part of its sewage system, along with bacteria, scientists have come up with a technology that could eat up sludge.
The marvelous material strikes again. This time, it’s going after the water crisis.
A ceramic tablet infused with silver or copper nanoparticles can disinfect water for up to six months and is being made at a factory in South Africa, employing local workers.