But they're ultimately going to have to take a lot of sand, move it in close to shore, and then move it again.

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"All this heavy machinery and vehicles caused a lot of soil compaction, changed the landscape, and allowed more sand to move and caused a lot of erosion, " she said.

CNN: November 12, 2012 -- Updated 1223 GMT (2023 HKT)

"The sand has been shifted quite a lot by the winter swell we've had this year, " he said.

BBC: Rhossili beach looking towards Llangennith

This process of combining of water, cement paste, sand and rock creates an awful lot of CO2 gases - which are linked by some scientists to global warming - about five to 10% of the world's total emissions.

BBC: By Ian Hardy

One recent success story: A U.K.-based auto parts manufacturer that serves the ministry of defense was having trouble coming up with a winning design for two parts that needed to perform in an environment with a lot of heat and sand.

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The Malibu home that just transferred hands from Semel to Ellison sits on a three-quarter-acre lot includes three structures, creating a compound just steps from the sand.

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And a lot of people what they do is they bury their head in the sand thinking hey, I've done the right thing so let them figure out.

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