Below is a link to 8 U.S. Supreme Court Cases that involved the Sierra Club.

The reason they did not win is spelled out in these cases.

These same reasons can be used to defeat the government intervention on our real and personal property rights. Look for the reasons in the first two or three pages.

http://caselaw.lp.findlaw.com/scripts/getcase.pl?court=us&navby=title&v1=Sierra+Club