Crowded Planet Quotes

2 Crowded Planet quotes by 2 unique authors

• The defining challenge of the 21st century will be to face the reality that humanity shares a common fate on a crowded planet. — Jeffrey Sachs
• On our crowded planet there are no longer any internal affairs! — Aleksandr Solzhenitsyn

Who Wrote These Crowded Planet Quotes

2 authors contributed a total of 2 Crowded Planet Quotes as follows:

• 1 Crowded Planet Quote by Jeffrey Sachs
• 1 Crowded Planet Quote by Aleksandr Solzhenitsyn