By Marta Nogueira RIO DE JANEIRO (Reuters) - Brazil's government on Monday banned new upstream mining dams and ordered the decommissioning of all such dams by 2021, targeting the type of structure that burst last month in the town of Brumadinho, killing hundreds of people. Those dams, which hold mining byproducts, are cheaper to build but present higher security risks because their walls are constructed over a base of muddy mining waste rather than on solid ground
from Latest News Business on Firstpost http://bit.ly/2EhZZD5
Tuesday, 19 February 2019
Brazil bans upstream mining dams after deadly Vale disaster
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