Search results
Results From The WOW.Com Content Network
The worst-affected city would likely be Billings, Montana, population 109,000, which the model predicted would be covered with ash estimated as 1.03 to 1.8 meters thick. [184] The main long-term effect is through global climate change, which reduces the temperature globally by about 5–15 °C for a decade, together with the direct effects of ...
The term anthropogenic designates an effect or object resulting from human activity. The term was first used in the technical sense by Russian geologist Alexey Pavlov , and it was first used in English by British ecologist Arthur Tansley in reference to human influences on climax plant communities . [ 33 ]
The oil slick as seen from space by NASA's Terra satellite on 24 May 2010. The 2010 Deepwater Horizon oil spill in the Gulf of Mexico has been described as the worst environmental disaster in the United States, releasing about 4.9 million barrels (210 million US gal; 780,000 m 3) of crude oil making it the largest marine oil spill in history.
Environmental disasters show how the impact of humans' alteration of the land has led to widespread and/or long-lasting consequences. [3] These disasters have included deaths of wildlife, humans and plants, or severe disruption of human life or health, possibly requiring migration. [4] Some environmental disasters are the trigger source of more ...
[4] [5] [6] A disaster happens when a natural or human-made hazard impacts a vulnerable community. It results from the combination of the hazard and the exposure of a vulnerable society. Nowadays it is hard to distinguish between natural and human-made disasters. [3] [7] [8] The term natural disaster was already challenged in 1976. [6]
[40] [86] Further research is needed to assess the long-term health effects of elevated ionizing radiation from Chernobyl on flora and fauna. [ 64 ] [ 75 ] Several research groups have suggested that plants in the area have adapted to cope with the high radiation levels, for example by increasing the activity of DNA cellular repair machinery ...
Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!
The result could have long-term effects because oil could remain in the food chain for generations. [227] A 2014 bluefin tuna study in Science found that oil already broken down by wave action and chemical dispersants was more toxic than fresh oil. [228]