For some site you need copy and past.
http://www.youtube.com >> tubewaysolar
My Video to explanation of our climatic development
http://www.faculty.washington.edu >> Index#1.
Here, technically similar concepts and my TubeWaySolar
www.lageenergiespeicher.de For the problem of a generally growing memory requirement for current surpluses there is the attachment of eg. ADELE, that is compressed air storage power plant; or Prof. Eduard Heindl's meaningful and quite feasible proposal - to read in www.lageenergiespeicher.de.
www.marysmeals.org : A bowl of cereal changed the world.
www.gotteshausgemeinschaft.at my last work.
www.wirundunserklima.jimdo.com my climate site whit prays.
Sand-the-new-environmental-bomb to see in german language:
www.Sand-die neue Umweltzeitbombe about sand crime.
https://www.baulinks.de/webplugin/2015/1787.php4 Technic exambles to Vacuumwall Modul
www.buch-der-synergy.de/ Here is a collection of technology-history (and my TOPten4Bikes).
www.EG-Solar.de/ Here is Christian Himmelstoss and developed professional pupils efficient solar cookers.
www.sun-and-ice.de/ Here there are good solar cookers.
www.switxboard.net/ Here I was asked for my Vacuumwall Modul appeared.
www.ansole.org/ In this magazine some work from my (e.g. fahrRAD) appeared.
www.sunoven.com/ Solarkocher as self-construction manual.
www.youtube/elcarbonero Composting furnace for charcoal (good soil).