Which is your favourite European video on innovations for sustainable energy? Check selected videos and offer you opinion! Go to http://eusustainenergy.bloggsida.se/ . Please find below one example of the videos we will offer. It shows a way to utilise the energy for the ocean waves.
[youtube r7-EPR8Ss6M]
Another invention by nature, of course!!!! Used by Nature since water ocurred on this planet! I mean this water step trap….