Guardian: The UK could benefit from 250,000 jobs and up to £70bn in revenue from offshore wind and wave technologies by 2050, according to a study by the Carbon Trust. This potential will only be realised, however, if the government gives clear signals to industry, so that investors know where to put their money, rather than leaving new technologies to face the market alone. The Carbon Trust, a government-backed agency that studies ways to promote low-carbon technologies, carried out economic …