From USCCB, Why Does the Church Care About Global Climate Change is a theological examination of the impacts of climate change, specifically how it impacts the poor and hungry. It can be found here.
Suggested Prayers to Reflect on Creation, offered up by the U.S. Conference of Catholic Bishops is a collection of reflective and petition prayers for individual or group practice.
Suggested Scriptures and Hymns to Reflect on Creation, by the U.S. Conference of Catholic Bishops is a collection of verses and hymns for use in specific masses, or in individual or small-group study.