⁣Dr Dennis L Meadows co authored The Limits to Growth 1972 - "1 billion people we have decided"

The Limits to Growth 1972
https://archive.org/details/TheLimitsToGrowth/page/n5/mode/2up

The Limits to Growth 1972 (shortened version)
https://web.ics.purdue.edu/~wggray/Teaching/His300/Illustrations/Limits-to-Growth.pdf

UN Agenda 2030
https://wedocs.unep.org/bitstream/handle/20.500.11822/9851/-The_United_Nations_Environment_Programme_and_the_2030_Agenda_Global_Action_for_People_and_the_Planet-2015EO_Brochure_WebV.pdf.pdf?sequence=3&isAllowed=y

Gorbachev Foundation State of the World Conference 1995
http://edition.cnn.com/WORLD/9509/world_forum/

State of the World conference 1995
https://www.lifesitenews.com/blogs/sustainable-development-conference-speaker-called-for-90-reduction-in-world

Gorbachev Foundation
http://www.crossroad.to/text/articles/gorb10-95.html

The First Global Revolution, Club of Rome, 1991
https://ia801702.us.archive.org/34/items/the-first-global-revolution-a-report-by-the-council-of-the-club-of-rome-alexande/The%20First%20Global%20Revolution_%20A%20Report%20by%20the%20Council%20of%20the%20Club%20of%20Rome%20-%20Alexander%20King,%20Bertrand%20Schneider%20-%20-%20Random%20House,%20Inc.%20_%20Pantheon%20Books%20(1991).pdf

UN Agenda 21
https://www.un.org/esa/agenda21/natlinfo/wssd/summarypublication.pdf