Original sentence: ”  He then incorporated these and several other papers into his book "The Rise of China and the Demise of the Capitalist World-Economy"  in 2009
Edited sentence: ”  He then incorporated these and several other papers into his book "The Rise of China and the Demise of the Capitalist World-Economy"  in 2009, in which he showed, based upon analysis of environmental data in relation to the Capitalist world economy, that the only way to avoid the inevitable collapse of civilization, is to adopt a socialist world government by the middle of the 21st century