Working with people to protect the lands, waters, and wildlife of Greater Yellowstone. Greater Yellowstone is home to an astounding array of native wildlife and its wild rivers are the headwaters of the West. It is of deep importance to more than four dozen tribes with historic and cultural ties to the ecosystem. Those who live here – and those who visit – know there is no place like it in the world. The Greater Yellowstone Ecosystem is an extraordinary natural and cultural landscape. At the Greater Yellowstone Coalition, it’s our job is to keep it that way. Our offices, strategically placed in Montana, Wyoming, and Idaho allow us to engage in a wide variety of efforts locally, regionally, and nationally to ensure Greater Yellowstone's lands, waters, and wildlife are protected now and well into the future.