Word: sediment
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...Looking at the Chongqing by the intersection of the Jialing and Yangtze rivers, it wasn’t hard to see why. The water was murky grey and appeared to contain everything from household garbage to industrial sediment and waste. And it’s really no surprise, since environmental regulations do little to prevent the dumping of waste into water bodies by factories and farms, including everything from petroleum to ammonia nitrogen to mercury. Since China has only one-fifth the water supply per capita as the U.S., conservation and stricter regulation is essential in order to preserve...
...city in a bowl." Levees and loss of wetlands did not cause it to sink - they simply sped up the process. The city sinks by compacting the mud on which it is built. And even if the Mississippi River ran its course unchanged, New Orleans would be buried by sediment. It would sink faster under the weight. We should not rebuild New Orleans in the same location. No city can exist there for long. We are committing future generations to a similar fate. Todd Johnston, State College...
...while 90% of the basin's residents are subsistence farmers who largely depend on the Mekong's nutrient-rich waters to feed their fields. Yet Chinese dams, along with engineering projects to make the river navigable by larger vessels, have begun to ravage the river's ecology by blocking sediment and producing unnatural water flows that dissuade fish migration and spawning. The nonprofit Southeast Asian Rivers Network estimates that fish stocks on the Thai-Laos border have already declined by half because of Chinese activity. Farmers, too, complain that the once-predictable floods needed to nourish their paddies have been...
That’s because since 1955, a growing prevalence of factories and pollution-emitting businesses along the river have made it unsafe for humans. In addition, an increasing number of various bacteria and toxic sediment have, due to its location on the river’s floor, been able to sit, then grow and spread, according to Lawaetz...
...PNAS paper "provides absolutely no evidence that the unique combination of features found in Homo floresiensis are found in any modern human." He argues that the asymmetry in the skull was due not to disease but to the skeleton being buried for thousands of years in 30 feet of sediment, which deformed the fossil. (Thorne insists the deformity must have happened before death.) Henry Gee, a senior editor at Nature who was responsible for overseeing publication of the original Flores article, calls the PNAS paper "very interesting" but argues that it "cherry-picks the evidence" to support the microcephaly theory...