Those planning worship services on creation care themes may find the following links and suggestions helpful.

Useful websites:

Earth Ministry
litanies
prayers
prayer publications
other worship resources

Web of Creation
litanies
prayers (and more here) 
other worship resources

Minnesota Episcopal Environmental Stewardship Commission (MEESC)
a variety of resources

Greenfaith.org
prayers
biblical references

Catholic Coalition on Climate Change
prayers, hymns, sermon starters, and other resources

Sojourners
Prayer for the Earth by Brian McLaren

The Episcopal Ecological Network
liturgies

Unitarian Universalist Association
Worship Web 
Unitarian Universalist Ministry for Earth resources and publications

These books may be helpful as well:

Hamilton-Poore, Sam. Earth Gospel: A Guide to Prayer for God’s Creation. Nashville: Upper Room, 2009.
Newell, J. Philip. Celtic Benediction: Morning and Night Prayer. Grand Rapids, MI: William B. Eerdmans, 2000.
Oliver, Mary, many books of poetry.

Phillips, Jennifer M. Preaching Creation throughout the Church Year. Lanham, MD: Cowley, 2000.
Roberts, Elizabeth, and Elias Amidon, eds. Earth Prayers from around the World: 365 Prayers, Poems, and Invocations for Honoring the Earth. San Francisco: Harper, 1991.
Roberts, Elizabeth, and Elias Amidon, eds. Life Prayers from around the World: 365 Prayers, Blessings, and Affirmations to Celebrate the Human Journey. San Francisco: Harper, 1996.
Speerstra, Karen. The Green Devotional: Active Prayers for a Healthy Planet. San Francisco: Conari, 2010.

These resources are just a few of the many materials available. If you know of something that should be included here, please tell us in the comments section below!