Brazil miner Vale gets approval to buy 3 wind farms in northeast

Iron ore price recovers from one of its worst trading weeks in years.

Iron ore, molybdenum and nickel are the main commodities executives see as having the highest likelihood of depreciating in value over the next three years.

Sale is part of CEO Sam Walsh’s plans to reduce operating costs by $5 billion over the next two years.

Rio trying to sell its 59% stake.

Capital expenditure in mining peaked last year, stabilized in the second half of 2012 and then plunged steeply in the March quarter, wiping almost $1.5 billion off Australia's quarterly output.

Drop has prompted investors to exit pure-play stocks, such as Fortescue Metals Group.

Promises 'a telescope for everyone.'

The company is obliged to produce 20 million tonnes of iron ore per year.

Coal profitability constraints spell trouble for contractors.