The loss of precontact agricultural communities to genocide and disease may have led to massive reforestation, a dip in carbon dioxide, and one of the coldest snaps of the Little Ice Age.
Global Paleofire Working Group 2: Diverse Knowledge Systems for Fire Policy and Biodiversity Conservation; Egham, United Kingdom, 4–9 September 2018
Water in the Native World: The Intersection of Hydrology and Indigenous Knowledge; Pablo, Montana, 1–4 August 2018
GA3: A Changing Climate's Effect on Rivers, Estuaries, Oceans, First Foods, and Tribal Health; Portland, Oregon, 21–23 March 2015
Scientists find evidence of ancient copper mining in polluted lake sediments from Isle Royale National Park.