Simply Saving the World
The United Nations have put together in the “Lazy Person’s Guide to Saving the World” what everyone can do for a sustainable development either from the comfort of their couch or in their neighborhood.
Illustrations: United Nations
This is How We Catch the Sun
Rooftop systems already account for around 40 percent of photovoltaics installed worldwide. But why not dream bigger? Why not step up the pace of rooftop PV expansion to reduce greenhouse gas emissions and put an end to energy poverty? An international study has calculated the true potential of rooftop systems worldwide.
Solar Cars: Fuel up with Sunlight
Solar technology could become electromobility’s Holy Grail. Using the power of the sun for traction current and battery doesn’t cost a single cent, nor does it emit any pollutants. In practice, however, the hurdles are high – above all, solar cell efficiency still leaves much to be desired. Nevertheless, the first models are already in the starting gates.