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Illinois Insight
Voices of leading scientific experts at the Prairie Research Institute

blog posts

  • A broken nine-hundred-year-old cypress log was found in the town square of a precontact archaeological site near Cahokia ahead of the construction of Interstate 270 in southwestern Illinois.

    Protecting Illinois' Cultural Heritage from Climate Change

    Rising seas and intense storms dominate the headlines about climate change, but there is a quieter catastrophe already unfolding: the irreversible loss of cultural heritage. Across the state of Illinois, thousands of ancient Indigenous sites, historic buildings, and landmarks are being slowly erased by extreme weather.

  • excavation site

    On Recent History, Heritage, and Immigration

    One might presume that we know everything about the “Historic period”—the past four or five centuries on this continent when events and characters were recorded for posterity. But we don’t. On the one hand, documents from the recent past can be sparse and biased, often underrepresenting farmers and other non-elite or non-masculine characters. Indeed, many kinds of people are underrepresented in historical accounts and explanations of historical processes. Thus, archaeologists study the Historic period for the same reasons that we investigate the deep past—knowledge about how and why history unfolded the way it did will help us to navigate our own future.

  • Archaeological profile wall at Cahokia with artifacts visible in the plow zone.

    What We Stand to Lose

    Even in Illinois, where there is on average one precolonial-era archaeological site for every 35 acres, thousands of acres are bulldozed every year for housing developments and chain stores. If we don’t course correct, there will be very little physical heritage left on large chunks of the Illinois landscape to claim or protect in the not-too-distant future. We at ISAS want to hold the line.

  • honorees at Shanghai Archaeology Forum in 2023

    Climate Change and Global History

    In December 2023, some 300 archaeologists from around the globe met in Shanghai, China, to recognize recent archaeological discoveries and to review what we know about the deep histories of humankind. The focus of 2023’s forum was climate change and featured presentations on both ancient and modern climate impacts to cultural sites and heritage landscapes.