+ Pope Francis's 2015 Encyclical: Laudato Si' -- On Care for the Common Home
+ Pope Benedict XVI's 2010 World Day of Peace message: If You Want to Cultivate Peace, Protect Creation
+ Pope John Paul II's 1990 World Day of Peace message: Peace with God the Creator, Peace with All of Creation
For links to more Vatican Messages, see the Catholic Climate Covenant's page:
Statements and quotes from Pope Francis
Statements and quotes from Pope Benedict XVI & Saint Pope John Paul II
More to come!