Wave energy in Scotland received a boost this week with the Scottish Executive's announcement that it will support a major project that will see Scottish-made Polemis devices installed in Orkney.
England has enough brownfield land left to build 1 million new homes - 400,000 of them in the accommodation-starved South East - according to estimates released by the Government on Tuesday.
A Thames-style flood barrier could be built to protect New Orleans from future storm surges, US engineers working on the city's flood defences have revealed as the anniversary of Hurricane Katrina brought the city back into the limelight.
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