Sydney Is in a State of Emergency to Fight Climate Change

On Monday, the city council of Sydney, Australia, unanimously voted to enter a state of emergency over the looming threat posed by climate change. The...

Solar Stirling Engine Efficiency Records Broken by Ripasso Energy

Solar Stirling engine efficiency has been topped this year by Ripasso Energy, a solar technology company based in Sweden. They have designed a Solar stirling...

31% Efficient Stirling Engines Used to Convert 1.5MW of Arizona Solar Power

Stirling engines are known to mankind for about 200 years but they are not so widely used today, except maybe for the pacemakers and long-distance robotic spacecrafts. This will soon change as 60 stirling engines will be used in Phoenix, Arizona, to harvest solar power which will be converted into electricity.

The global transition to clean energy – explained in 12 charts

A report released by Renewable Energy Policy Network for the 21st Century (REN21) goes into that question in considerable detail. The Renewables Global Status...

DIY: How to Make a Solar Cell at Home From Readily Available Stuff and…...

A very neat experiment that anyone with some skills can do in the garage or kitchen is creating a solar cell out of blackberry juice and titanium dioxide (and several other components).
fresnel lens frame

Solar Concentrator DIY – How to Build an $8 Fresnel Lens from Old TV

A solar concentrator DIY can seem like the easiest thing in the world - if someone else is doing the hard work. A guy who calls himself "Grant...

Solar Powered Refrigerator Invented by 23 yo Emily Cummins

Emily Cummins, a 23-year old girl from the UK, has been named an Oslo Business for Peace Honouree for inventing a solar powered refrigerator - basically a device that uses water evaporation to extract heat (just like your skin gets colder when your sweat evaporates off).

Zero Mass Water’s Solar Panels Pull Clean Drinking Water Out of Thin Air

Around the world, approximately 2.1 billion people do not have immediate access to clean drinking water. A startup called Zero Mass Water aims to make clean water easily...

Coffee to Boost Solar Cell Performance

You’re a graduate engineer. You’ve been working on perovskite solar panels. Perovskite describes a class of crystalline compounds which are easy and cheap to...
Solar light Caps to Homeless Nepalese

Donate: Solar Light Caps for the Homeless Nepal Earthquake Victims

To help the homeless Nepalese, who survived the massive earthquakes, restore and rebuild their lives, 2C Light Company is collecting funds to send solar...