Clean drinking water with solar energy!!

From basurillas.org

There are, of course, many different methods to clean drinking water. One is with the so-called “Solvattendunk” – an invention by the Swedish artist and inventor Petra Wadström – which makes it possible to fetch, store and purify drinking water by the help of solar energy, requiring no electricity from batteries or mains. Read more about how it works here or here.  

Solar Roadways!

Check this out! I am not sure if this will become competitive (cost) with current cement and concrete roads, but it is a pretty cool idea.

Samsø - a Danish experiment

From EDIN - Energy Development in Island Nations

Have you heard about the Danish island Samsø?
Less than two decades ago the residents living on the island were entirely dependent on oil and coal imported from the mainland.
Today, however, 100% of their electricity comes from wind power and 75% of their heat comes from solar energy and biomass energy.
Read more about this interesting danish experiment here!