“The sheer weight [of human population] threatens that magnificent kaleidoscope of other living things which also depend on... natural sysytems.” — John Livingston. from "One Cosmic Moment Copy Share Image
![“The sheer weight [of human population] threatens that magnificent kaleidoscope of other living things which also depend on... natural sysytems.” quote by John Livingston. from "One Cosmic Moment](https://sms4smile.com/quotes/img-quotes/7e6/john-livingston-from-one-cosmi_human-population_the-sheer-weight-of-human-population-thr_2467877.jpg)