The MacKenzie River region, which supports one of the world's last
major wild rivers, has warmed by 3.1 ° F (1.7 ° C) over the past century.2, 3 This warming has endangered the long - term stability of much of the permafrost — the frozen mix of rock, soil, and ice that underlies and surrounds the river basin3, 3 — raising the risk of erosion, flooding, landslides, and other significant changes to the landscape.2, 3,4,5,6
Taken together, the Detroit
River and St. Clair
River reef - building projects represent the largest effort to date to restore a primitive,
wild fish within a
major urban area in the Great Lakes region.
A flash flood of the Ewaso Ng «iro
River in Samburu National Reserve, Kenya, washed away a
major research center devoted to the study of
wild elephants this morning.