At risk from rising seas, Norfolk, Virginia, plans massive, controversial floodwall – NPR
The city (of Norfolk) is now moving forward with a massive floodwall project to protect itself, in partnership with the U.S. Army Corps of Engineers. The project will include tide gates, levees, pump stations and nature-based features like oyster reefs and vegetation along the shoreline. It’s one of the biggest infrastructure efforts in city history – and an example of projects the Corps has proposed up and down the U.S. coastline, from New York to Texas….
A sea change on managed retreat? – CommonWealth Journal
As waters rise, coastal residents are increasingly facing a difficult choice: try to relocate in a difficult housing market and take losses on their homes, or get comfortable with a future where there may be multiple feet of water in their living rooms…
One way to save coral reefs? Deep freeze them for the future – NPR
Ocean temperatures have been extremely hot this summer, wreaking havoc on some of the world’s highly vulnerable coral reefs. With marine heat waves only expected to get worse as the climate changes, scientists are increasingly focusing on an emergency plan: collecting coral specimens and safeguarding them onshore….
Alarming’ scale of marine sand dredging laid bare by new data platform – the Guardian
One million lorries of sand a day are being extracted from the world’s oceans, posing a “significant” threat to marine life and coastal communities facing rising sea levels and storms, according to the first-ever global data platform to monitor the industry….
6 billion tonnes of sand taken annually from oceans, causing irreparable damage to benthic life – Down to Earth
Some six billion tonnes of sand is being extracted annually from the floor of the world’s oceans, causing irreparable damage to benthic life, according to a new global data platform on sand and other sediment extraction in the marine environment.
The new data platform, Marine Sand Watch, has been developed by GRID-Geneva, a Centre for Analytics within the UN Environment Programme (UNEP). It is available at: https://unepgrid.ch/en/marinesandwatch…
Sand mining is a huge problem, a new global map shows – the Verge
People are dredging an alarming amount of sand from the seafloor, the United Nations Environment Programme (UNEP) warned today. An average of 6 billion tons of sand are taken from marine environments every year, according to a new global data platform from UNEP….