The Presbyterian Church has an environmental statement that is similar to many other churches, citing biblical text and discussing our responsibilities as stewards of the earth.
This document goes into what humanity has done, and why the Presbyterian church is responding to the massive amount of environmental degradation. To read the entire statement, follow this link. For a more interactive and shorter read that sums up their stances, click here.
On their website, found here, you can check out how the environmental ministries are encouraging congregations to get involved and enact ecological justice.