U.S. Geological Survey scientists report the Grand Canyon’s food webs are contaminated with dangerously high levels of mercury and selenium. The source of the runoff pollution can be tracked down hundreds of miles upstream, coming from coal-burning electrical plants and other human sources. This shows that “remote ecosystems are vulnerable to long-range transport and subsequent bioaccumulation of contaminants,” the researchers write.
The Grand Canyon is a favorite for tourists all over the world – but if you think it’s cool to see it from the ground level, you haven’t seen it from above – the Grand Canyon in northern Arizona is also a favorite for astronauts shooting photos from the International Space Station. The Grand Canyon is part of the Colorado River
Scientists from Britain have found a remote ice rift valley, up to one mile deep, under the ice in Antarctica. The rift is similar in size and depth to the Grand Canyon and because it is direct contact with the warming ocean, it’s been found that it has a significant contribution to the unusual ice sheet melting of West Antarctica. The rift
The Grand Canyon area is a veritable national symbol for the US, and nature alike. Its frightening, yet brilliant view of the surroundings canyons and boulders makes for a unique sight in the world, which is why millions of visitors flock towards it every year. The site, apparently, also holds one of the richest uranium ore deposit in the continent,