Hartwick Pines State Park is home to the largest remaining stand of old growth pine trees in the Lower Peninsula.

One of North America’s richest ecosystems, sustained and shaped by Native peoples before European contact, nearly disappeared. A recovery is underway.

On the northwest corner of Manito Park, dozens of ponderosa pines appear to stand strong. Joggers and dog walkers weave through the towering trunks on their morning routes, and gray squirrels run ...

Pine rings record a sharp rise in rainfall intensity and volatility, showing modern extremes exceed patterns seen over the past 500 years.