This study explores the role of industrial iron ore mining on land change and local livelihoods in the Tonkolili mineral rich region of northeastern Sierra Leone. The study integrates time series of land use and land cover (LULC), statistical modeling, and qualitative analytical framework to provide a comprehensive assessment of livelihood …
به خواندن ادامه دهیدOn the impacts of mining. Mining activities, including prospecting, exploration, construction, operation, maintenance, …
به خواندن ادامه دهیدIntroduction. Climate change is reshaping the mineral resource investment landscape 1. Major finance institutions are divesting from thermal coal and investing in …
به خواندن ادامه دهیدWith growing metal demand, mining in the Arctic is expected to increase, demanding a better understand its social and environmental impacts. We report here the results of a systematic mapping of research evidence of the impacts of metal mining in Arctic and boreal regions. See more
به خواندن ادامه دهیدSome of the negative impacts of mining are loss of vegetation cover, mass destruction of water bodies, loss of biodiversity, land-use changes and food insecurity, …
به خواندن ادامه دهیدIn the present article, a new tool to determine environmental sustainability, the energy impact index (EII) was developed to classify dsifferent iron mine projects according to two main parameters ...
به خواندن ادامه دهیدWith the growing demand, China's iron and steel industry has obtained rapid development since the 1990s. China's steel output reached 220 million tons for the first time in 2003, becoming the first country whose annual production exceeded 200 million tons. The iron and steel is an industry of high energy consumption, high pollution and high …
به خواندن ادامه دهیدAbstract. Mining plays a vital role in the economic development of many countries. The emerging economies are now major players in the production and availability of key …
به خواندن ادامه دهیدEnvironmental and social impacts are divided into waste management issues, impacts to biodiversity and habitat, indirect impacts, and poverty alleviation and wealth distribution. …
به خواندن ادامه دهیدDespite its contributions to the development of the country, the mining sector in Sierra Leone, has been attributed to a multitude of impacts on the environment. This article focuses on assessing the environmental impacts of mining in mining edge communities in Sierra Leone. A survey of 360 people from three mining edge …
به خواندن ادامه دهیدWhile mining is beneficial to the economy, both in terms of its own economic impact and the value to other industries of its product, it almost always has adverse environmental impacts and eventually health impacts. Although more than hundred billion tonnes of iron ore has been produced from Keonjhar 62% of
به خواندن ادامه دهیدIn some cases, bioavailable metals are absorbed by plants and animals, causing detrimental effects. Although current U.S. mining and reclamation practices guided by environmental regulations minimize or prevent waste rock erosion into streams, disposal of waste rock in places where it could erode into surface drainages has occurred historically.
به خواندن ادامه دهیدThe Arctic and boreal regions, its people, ecosystems and economy are changing at a fast pace. While a warming climate is often mentioned as a major driver of current change, the establishment and expansion of extractive industries—mining and the extraction of hydrocarbons—have been major drivers of both social and environmental …
به خواندن ادامه دهیدThe Carajás mine serves as an example of the economic potential of mining and of mining's environmental impact in the Amazon region. Iron ore is Brazil´s largest mineral export and accounts ...
به خواندن ادامه دهیدIron ore mining in South Africa and Australia has generated an economic development characterized by very high environmental impacts. In addition, these …
به خواندن ادامه دهیدProduction of iron ore was dominant for about 100 years, but when supplies began to run short, the industry then figured out how to extract and process taconite, which is just a low-grade iron ore that was …
به خواندن ادامه دهیدPolymetallic nodules containing minerals essential to energy storage lie at the bottom of the Pacific Ocean. In deep-sea mining, a collector vehicle is sent to pick up these nodules from the deep seabed. The vehicle creates a sediment cloud known as a 'collector plume,' seen here in the foreground, that is then carried away by ocean currents.
به خواندن ادامه دهیدSustainability for the mining companies is a critical requirement for their ongoing operations. Regulations and licenses generally depend on the companies' sustainability practices, forcing them to focus on environmental impact and social welfare. While the mining industry has historically been associated with poor working conditions …
به خواندن ادامه دهیدThe iron ore sector made up 15 percent of total exports and 2 percent of budget revenue in 2013. It is estimated that the direct and indirect impact on the economy from the iron ore sector projects will reach 31.3 trillion MNT by 2030. However, the iron ore sector as a share of GDP would just reach 5 percent, its peak point, under the ...
به خواندن ادامه دهیدThe Impact: Land, Air, and Water. As you have probably noticed, turning Bauxite into Aluminum requires a lot of energy and has a variety of environmental impacts. Both open and underground mines affect the plant and animal life immediately surrounding an area and beyond for multiple generations.
به خواندن ادامه دهیدThe extraction cost of base metals is large and its extraction usually requires intensive investment, the buildup of large infrastructures, and generally produces large environmental impacts (Fig. 3). As an example, we may quote the 10 biggest iron mines in the world and their environmental impacts (Basov 2015).
به خواندن ادامه دهیدSome of the negative impacts of mining are loss of vegetation cover, mass destruction of water bodies, loss of biodiversity, land-use changes and food insecurity, increased social vices and conflicts, high cost of living, and air pollution. However, reclamation has been a viable way of reducing the negative impacts of abandoned mine …
به خواندن ادامه دهیدextracted ending up as waste. By contrast, iron mining is less wasteful, with approximately 60 percent of the ore extracted processed as waste (Da Rosa, 1997; Sampat, 2003). Disposing of such large quantities of waste poses tremendous challenges for the mining industry and may significantly impact the environment. The impacts are often more
به خواندن ادامه دهیدThe strategic management and assessment of social and environmental impacts also ensures favour from the government and policy makers for economic benefits to stakeholders. In recent years ...
به خواندن ادامه دهیدOpen-pit mines can create several environmental problems common to other iron- mining methods, including AMD, soil contamination, and destruc- tion of vegetation. However, air pollution by fugitive dust—from …
به خواندن ادامه دهیدTo understand the impacts of iron ore mining and steel production, it is necessary to deeply investigate production processes and related trade shares in …
به خواندن ادامه دهیدThis paper uses LCA methods to assess the impacts of 5 iron ore top-mining countries and 10 steel top-producing countries, which helps understand the process efficiency in terms of environmental costs. We also calculate the unit GDP intensity impact to show the environmental impacts related to economic activities.
به خواندن ادامه دهیدIron ore mining, like other mining processes, is one of the most pollution causing operation and the most environmentally damaging activity (Faure & Skogh, 2005).Environmental issues that have an economic impact on the iron ore industry include air pollution from industrial emissions, such as sulfur dioxide,deforestation, and a …
به خواندن ادامه دهید1. Erosion. One of the effects of mining on the environment is erosion. The enormous Ok Tedi Mine in Papua New Guinea is a perfect example of how nearby areas can be significantly impacted by the erosion of exposed slopes, mine dumps, tailings dams, and the resulting siltation of drainages, creeks, and rivers.
به خواندن ادامه دهیدMining has played a part in the economic development of developed countries such as the USA, Canada and Australia. However, the mining economic growth connection varies considerably from that claimed in the historical analogy reasoning. It is not evident that these countries' historical experience applies to modern developing nations …
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