Sentences with phrase «scale coal mines»

Bitcoin was the first canary in the scaling coal mine, and we all know how that turned out (transaction fees and confirmations times have become essentially insurmountable in recent months).

Not exact matches

BHP Billiton said on Thursday jobs could go at its Australian coal mines as the company faces a deteriorating market, the latest sign of global miners scaling back operations due to slowing industrial activity in China.
If it includes a requirement to consider the life - cycle effects of greenhouse gases associated with the coal to be extracted, it might tip the scales against the new mine.
Similar emissions are caused by the iron, aluminum, and copper mines needed to produce material for renewable systems, Hertwich noted, but the massive scale of coal mining makes its emissions much more significant by comparison.
Globally, the largest sources include emissions from small - scale and artisanal gold mining and coal - burning power plants.
They also must control mercury air emissions from coal - fired power plants, waste incineration and related industrial processes, and reduce or eliminate mercury use in small - scale gold mining and chemical manufacturing.
Industrial processes such as small - scale gold mining and coal burning emit mercury into the atmosphere.
«Small - scale gold mining contributes to one third of the mercury released into the environment today,» says physicist Stephan Robinson of Green Cross Switzerland — Blacksmith's partner in the research and ranking — or nearly as much as coal burning by power plants.
For example, a study by Vasilis Fthenakis and Hung Chul Kim of Columbia University (2009) found that, on a life - cycle electricity - output basis — including direct and indirect land transformation — utility - scale PV in the U.S. Southwest requires less land than the average U.S. power plant using surface - mined coal.
So the black gold from the mines is at the centre of this exhibition of large - scale installations and sculptures: The deep black of coal, its shimmering surface and tactile qualities were used as aesthetic resources by artists such as Marcel Broodthaers, David Hammons, Reiner Ruthenbeck, Richard Serra, Robert Smithson, Bernar Venet or the ZERO group.
> very few mechanisms in nature can drill for oil or mine coal Or burn off vegetation on the scale of continents.
Follow Jaymi on Twitter for more stories like this More on Messes from Mineral Mines World Cup's Soccer City Shows Scale of Mining Waste in South Africa The Incredible Story of Conflict Mineral Mining in Images In Appalachia, Coal Mining Costs $ 9 - $ 76 Billion More Per Year Than It Pulls In, Claims Study India's Mining Boom: Tribal Groups, Poor & Environment Losing Out
The scale of the increase, which only includes major mines, reflects Beijing's aim to put 860 million tonnes of new coal production capacity into operation over the five years to 2015, more than the entire annual output of India.
The site revealed Steyer has had direct, personal involvement in assembling a portfolio of strategic investments in overseas coal mines and coal - fired power plants unprecedented in scale.
Tier I sources include: solar thermal, wind power, low - impact hydropower, geothermal energy, biologically derived methane gas, fuel cells, biomass energy, coal mine methane, black liquor (PA only), and large - scale hydropower (certain restrictions apply).
There was a group there that was particularly interested in mountaintop removal coal mining and getting the college to stop investing in coal companies, and the activist organization 350.org, which is probably the biggest grassroots climate - action organization, noticed this movement and were interested to see if they could scale it up.
But his administration has also vowed to scale back an EPA rule to limit ground - level ozone pollution, as well as an Interior Department rule to protect streams from coal - mining waste.
But though it's true that almost anything humans do on a big scale has * some * environmental cost, still oil drilling and refining and coal mining and combustion are dirty businesses in both senses.
And in yet another sign that the global coal boom is over, Bank of America has just announced a sweeping new commitment to scale down its credit exposure to coal mining.
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