Stop Causing Alarming Tree, Air, and Soil Trauma Resulting from Obstructive Progressives' and Hypocritical Environmentalists' Schemes Act or the Stop CATASTROPHES Act This bill categorically excludes certain forest management activities from the requirement to prepare an environmental assessment or an environmental impact statement. The activities are those that are carried out by the Department of Agriculture on National Forest System Lands or the Department of the Interior on public lands where the primary purpose is to improve or restore such lands or reduce the risk of wildfire on such lands. To be excluded, the area of the forest management activity may not exceed 10,000 acres.