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The seas are rising, and they’re inching upward much faster than anticipated. According to a new study published in the journal Ocean Science, climate change is causing the ocean to rise even quicker than the most pessimistic prior forecasts.
This research finds that just a 0.5 degree Celsius increase in temperature could lead to a half-meter rise in sea levels, and with a full meter in our future of urgent action on climate change isn’t taken.
Warmer temperatures have already melted 28 trillion metric tons of ice. That’s the same amount as a 100 meter-deep ice sheet the size of the United Kingdom.
Why This Matters: Forty percent of people on Earth live near the coast, putting much of the world at risk of water damage in some form.While the increased risk of floods and storm surges are certainly concerning,saltwater intrusion can cause a lot of damage, like contaminating aquifers and farmland and flooding wetlands. For coastal communities, these impacts could drive people from their homes, contributing to the massive climate migration of 13 million Americans expected by 2060. It’s all the more reason to implement adaptation measures in coastal communities.
The water temperature, wind, and currents in individual locations contribute as well.
All of this adds up to some areas with much higher sea-level rise than others.
Along the east coast of the U.S., one meter of sea-level rise is likely a low estimate, while in places like Scotland and Iceland, the number could be much smaller.
As Ronald Stouffer, a climate modeler at the U.S. Geophysical Fluid Dynamics Laboratory in Princeton, NJ, explains: “ if you own beachfront property in Iceland, and all of the ice on Greenland melts and adds seven meters to average sea level, you end up with more beach. But in Hawaii, you get your seven meters of sea-level rise plus an extra two or three on top of that. It’s phenomenal to me that it matters that much.”
UNESCO has launched a new program to collect, analyze, and monitor environmental DNA (AKA eDNA) to better understand biodiversity at its marine World Heritage sites. Scientists will collect genetic material from fish cells, mucus, and waste across multiple locations along with eDNA from soil, water, and air. The two-year project will help experts assess […]
It’s about time we had a conversation about the birds and the bees…or in this case, the otters and the seagrass. A new study found that the ecological relationship between sea otters and the seagrass fields where they make their home is spurring the rapid reproduction of the plants. Otters dig up about 5% of […]
By Amy Lupica, ODP Daily Editor An abandoned oil tanker off the coast of Yemen is deteriorating rapidly, and experts say that a hull breach could have far-reaching environmental impacts and threaten millions of people’s access to food and water supplies. The FSO SAFER tanker holds 1.1 million barrels of oil — more than four […]
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