/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: RonKirchner030 https://cdn.slidesharecdn.com/profile-photo-RonKirchner030-48x48.jpg?cb=1523529991 I am an environmental engineer, blogger and journalist from Berlin/Germany. My focus is the renewable bioenergy, especially the supply of heat, electricity and fuel through biomass.