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Stranded assets alert
17 June 2013Nicholas Stern has warned that many oil and gas and mining companies may be overvalued, in a 'bubble' that would threaten the security of global financial markets. Peter Cripps and Katie Kouchakji report
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MidAmerican plans $700m solar bond
14 June 2013Warren Buffett's MidAmerican Energy is planning to issue a $700 million bond to help finance its 579MW solar photovoltaic project in California, according to rating agencies.