Energy & Green Tech

Turning wastewater from coffee production into electricity

Delegates at COP26 will drink an estimated 250,000 cups of coffee over the two-week event, according to the caterers, Levy UK. None of us want to give up our daily cup of Joe, yet wastewater from primary coffee production ...

Energy & Green Tech

Drought squeezes Brazil's electricity supply

Brazil's worst drought in almost a century is threatening electricity supply and critical crops, pushing up energy and food prices at a time the country was hoping to start recovering from the economic fallout of the coronavirus ...

Energy & Green Tech

Electric car lithium demand powers mining revival in UK

As the global auto sector accelerates production of electric cars, one British company is hoping to cash in from mining lithium needed to make rechargeable batteries that power the vehicles.

Security

Red Cross chief: cyber attacks increasing on hospitals

The president of the International Committee of the Red Cross warned Wednesday that the frequency of sophisticated cyber attacks against hospitals, electricity and water supplies, and other critical civilian infrastructure ...

Energy & Green Tech

Water solutions without a grain of salt

Monash University researchers have developed technology that can deliver clean water to thousands of communities worldwide. This solar steam generation system produces clean water from salty (ocean) water with almost 100 ...

Energy & Green Tech

Water-wise two-week shower use showcased by Tokyo startup

(Tech Xplore)—Water. A Tokyo-based company places water top of mind. One of its promotional videos is actually a promotion of the importance of thinking more carefully about water resources. It shows raindrops falling on ...

Energy & Green Tech

Ocean desalination plant capable of fresh water daily

A desalination plant in Carlsbad, California, has started regular operations. The desalination plant conducted test runs leading up to the scheduled start of normal operations.