Here’s a list of helpful links to care for creation resources.
Pontifical Council for Promoting Christian Unity
http://www.christianunity.va/content/unitacristiani/it.html
Pontifical Council for Interreligious Dialogue
https://www.pcinterreligious.org/
Dicastery for Promoting Integral Human Development, Care for Creation
http://www.humandevelopment.va/en/sviluppo-umano-integrale/cura-del-creato.html
USCCB, Ecumenical and Interreligious Affairs
http://www.usccb.org/beliefs-and-teachings/ecumenical-and-interreligious/
USCCB Care for Creation
http://www.usccb.org/beliefs-and-teachings/what-we-believe/catholic-social-teaching/care-for-creation.cfm