# American Environmental and Regional History { "id": "T12837", "title": "American Environmental and Regional History", "url": "/topics/T12837", "kind": "topic-directory", "aeo_cohort": "topic-directory", "provider": "openalex", "revision": "5bbcedb1782d8988", "catalogue_revision": "f050b5d4780b1289", "numeric_address": "38351532521033275", "address_version": "morton4x16-v1", "coordinates": [ 3, 23, 2308, 12837 ], "answer_status": "Directory metadata; local answer requires separate source review", "truth_status": "Subject descriptor, not a factual answer or a demonstrated knowledge gap" } This cluster of papers covers the environmental history of the United States, including topics such as the environmental movement, conservation efforts, renewable energy challenges, industrial agriculture, wilderness preservation, chemical pollution, national parks, sustainability initiatives, historical perspectives on environmental issues, and public policy related to environmental management. Directory metadata is not a factual answer or evidence of a global knowledge gap. Source: https://openalex.org/T12837 No owner-reviewed local answer yet.