Grand Canyon not as well-preserved as we thought
MSN,
© The Active Times The Grand Canyon is Not as Well-Preserved as We Once Thought “Although the Grand Canyon segment of the…
© The Active Times The Grand Canyon is Not as Well-Preserved as We Once Thought “Although the Grand Canyon segment of the…
Fish and other creatures in remote stretches of the Colorado River are contaminated with levels of mercury and selenium known…
Researchers find high levels of mercury and selenium in plants and animals along the Colorado River
Concentrations of mercury and selenium have been found in several creatures living in the Grand Canyon, according to a new…