Giant dams built to tame the Colorado River have nearly wiped out native cottonwood trees along many riverbanks, disrupting local ecosystems. But new tiny dams, built to mimic ones that beavers make, ...

If you drive near rivers in Indiana, you may have noticed a lot of the same types of trees that tend to line the banks of these waterways. After coming up with my own “top 5” list, I also consulted ...

Giant cottonwood trees in Smith Grove near Hensler will be recognized as living witnesses to the Lewis and Clark expedition. The trees - towering 100 feet above the forest floor and more than 250 ...

Giant dams built to conserve the Colorado River have nearly wiped out nearby native cottonwood trees, causing big ecosystem disruption. Tiny dams built to mimic those built by beavers could bring them ...