Complex sentence: On these topics, he has written for "EARTH-SHELTER DIGEST", "EARTHTONE MAGAZINE" and "THE LAST STRAW", and prepared a requested paper for The Global Sustainable Building Conference 2005, Tokyo, Japan.
Split into simpler sentences: On these topics, he has written for Earth-Shelter Digest "," Earthtone "magazine and" The Last Straw'. He also prepared a requested paper for The Global Sustainable Building Conference 2005, in Tokyo, Japan.