As solar photovoltaic panels go mainstream, Eric Gies looks at the environmental impact of making and disposing of themIn recent years the electronics industry has gained...
Theory says the Earth's magnetic field can't flip in just a few years, yet for the second time evidence has been found of it happening in the past
Oil giant BP has said that the cost of tackling the Gulf of Mexico disaster had risen to 8 billion US dollars (£5.2 billion) so far.
The last ferry left for the mainland and residents took shelter as Hurricane Earl closed in on North Carolina's dangerously exposed Outer Banks with 105mph winds.