The notion of sustainability and sustainable development has a noble heritage - over six decades. Many key events, organizations and publications in recent times have strived to tell the world, especially governments, about threats to the sustainability of nature and especially of humanity. See this page for a list of such threats and issues: https://e4l-jrnl.weebly.com/issues.html.
Some of the events, orgs and publications are mentioned below:
Sustainability Science Textbook, by Bert J.M. de Vries
 https://doi.org/10.1038/461472a & https://www.jstor.org/stable/26268316
See this page for a list of threats and issues: https://e4l-jrnl.weebly.com/issues.html.