These considerations may, for example, enter into calculations of how high and how strongly we need to build sea walls in certain places. (reddit.com)
The talk now among coastal engineers is of setting back sea walls in a «managed retreat», and of giving the coast back to nature. (newscientist.com)
And they want the companies to pay for measures such as sea walls to cope with rising sea levels they blame on carbon emissions from burning fossil fuels. (sciencemag.org)