It has been 4.6 billion years since the Earth was formed. The previous 10,000 years is referred to as a miracle. There has been an unprecedented, stable climate, and humans have developed their civilization. Right now, however, we are on the verge of destroying the Earth's environment. Here we will look at"cycles" that support biological activities on Earth. Material resources are introduced within that cycle, along with energy resources that do work with cycles.
Junichi Fujino, Tetsunari Iida, Akihiko Kudoh, Kenichiro Matusumoto, Osamu Motojima, Seiichi Taguchi, Eiichi Tajika, Masatsugu Taniguchi, Toshihide Tsunematsu, Itaru Yasui