Cambridge News: THERE could be blackouts by 2016 unless new sources of energy are developed, a Cambridge University researcher has warned. Prof David Mackay, recently appointed a key Government advisor, said a massive building programme which would “industrialise” much of the countryside would be needed if Britain was to meet its energy needs from renewable sources. He said public opposition to developments such as nuclear power plants, windfarms and tidal barrages was partly to blame for the …