By Whitney Webb
Last week, mainstream media outlets gave minimal attention to the news that the U.S. Naval station in Virginia Beach had spilled an estimated 94,000 gallons of jet fuel into a nearby waterway, less than a mile from the Atlantic Ocean.
While the incident was by no means as catastrophic as some other pipeline spills, it underscores an important yet little-known fact—that the U.S. Department of Defense is both the nation's and the world's, largest polluter.
Producing more hazardous waste than the five largest U.S. chemical companies combined, the U.S. Department of Defense has left its toxic legacy throughout the world in the form of depleted uranium, oil, jet fuel, pesticides, defoliants like Agent Orange and lead, among others.
In 2014, the former head of the Pentagon's environmental program told Newsweek that her office has to contend with 39,000 contaminated areas spread across 19 million acres just in the U.S. alone.
U.S. military bases, both domestic and foreign, consistently rank among some of the most polluted places in the world, as perchlorate and other components of jet and rocket fuel contaminate sources of drinking water, aquifers and soil. Hundreds of military bases can be found on the U.S. Environmental Protection Agency's (EPA) list of Superfund sites, which qualify for clean-up grants from the government.
Almost 900 of the nearly 1,200 Superfund sites in the U.S. are abandoned military facilities or sites that otherwise support military needs, not counting the military bases themselves.
"Almost every military site in this country is seriously contaminated," John D. Dingell, a retired Michigan congressman and war veteran, told Newsweek in 2014. Camp Lejeune in Jacksonville, North Carolina is one such base. Lejeune's contamination became widespread and even deadly after its groundwater was polluted with a sizable amount of carcinogens from 1953 to 1987.
However, it was not until this February that the government allowed those exposed to chemicals at Lejeune to make official compensation claims. Numerous bases abroad have also contaminated local drinking water supplies, most famously the Kadena Air Force Base in Okinawa.
Between 1946 and 1958, the U.S. tested 66 nuclear weapons near Bikini atoll. Populations living nearby in the Marshall Islands were exposed to measurable levels of radioactive fallout from these tests. National Cancer Institute
In addition, the U.S., which has conducted more nuclear weapons tests than all other nations combined, is also responsible for the massive amount of radiation that continues to contaminate many islands in the Pacific Ocean. The Marshall Islands, where the U.S. dropped more than sixty nuclear weapons between 1946 and 1958, are a particularly notable example. Inhabitants of the Marshall Islands and nearby Guam continue to experience an exceedingly high rate of cancer.
The American Southwest was also the site of numerous nuclear weapons tests that contaminated large swaths of land. Navajo Indian reservations have been polluted by long-abandoned uranium mines where nuclear material was obtained by U.S. military contractors.
One of the most recent testaments to the U.S. military's horrendous environmental record is Iraq. U.S. military action there has resulted in the desertification of 90 percent of Iraqi territory, crippling the country's agricultural industry and forcing it to import more than 80 percent of its food. The U.S.' use of depleted uranium in Iraq during the Gulf War also caused a massive environmental burden for Iraqis. In addition, the U.S. military's policy of using open-air burn pits to dispose of waste from the 2003 invasion has caused a surge in cancer among U.S. servicemen and Iraqi civilians alike.
While the U.S. military's past environmental record suggests that its current policies are not sustainable, this has by no means dissuaded the U.S. military from openly planning future contamination of the environment through misguided waste disposal efforts. Last November, the U.S. Navy announced its plan to release 20,000 tons of environmental "stressors," including heavy metals and explosives, into the coastal waters of the U.S. Pacific Northwest over the course of this year.
The plan, laid out in the Navy's Northwest Training and Testing Environmental Impact Statement, fails to mention that these "stressors" are described by the EPA as known hazards, many of which are highly toxic at both acute and chronic levels.
The 20,000 tons of "stressors" mentioned in the Environmental Impact Statement do not account for the additional 4.7 to 14 tons of "metals with potential toxicity" that the Navy plans to release annually, from now on, into inland waters along the Puget Sound in Washington state.
In response to concerns about these plans, a Navy spokeswoman said that heavy metals and even depleted uranium are no more dangerous than any other metal, a statement that represents a clear rejection of scientific fact. It seems that the very U.S. military operations meant to "keep Americans safe" come at a higher cost than most people realize—a cost that will be felt for generations to come both within the U.S. and abroad.
Reposted with permission from our media associate MintPress News.
<div id="7aab6" class="rm-shortcode" data-rm-shortcode-id="4bff71c40172c15736f73fe73ed18078"><blockquote class="twitter-tweet twitter-custom-tweet" data-twitter-tweet-id="1330967606585593857" data-partner="rebelmouse"><div style="margin:1em 0">Today, I’m announcing the first members of my national security and foreign policy team. They will rally the world… https://t.co/bAisIQk5P6</div> — Joe Biden (@Joe Biden)<a href="https://twitter.com/JoeBiden/statuses/1330967606585593857">1606162380.0</a></blockquote></div>
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By Melissa Gaskill
Two decades ago scientists and volunteers along the Virginia coast started tossing seagrass seeds into barren seaside lagoons. Disease and an intense hurricane had wiped out the plants in the 1930s, and no nearby meadows could serve as a naturally dispersing source of seeds to bring them back.
Restored seagrass beds in Virginia now provide habitat for hundreds of thousands of scallops. Bob Orth, Virginia Institute of Marine Science / CC BY 2.0<p>The paper is part of a growing trend of evidence suggesting seagrass meadows can be easier to restore than other coastal habitats.</p><p>Successful seagrass-restoration methods include <a href="https://www.sciencedirect.com/science/article/abs/pii/S0304377099000078?via%3Dihub" target="_blank">transplanting shoots</a>, <a href="https://onlinelibrary.wiley.com/doi/10.1111/j.1061-2971.2004.00314.x" target="_blank" rel="noopener noreferrer">mechanized planting</a> and, more recently, <a href="https://www.nature.com/articles/s41467-020-17438-4" target="_blank" rel="noopener noreferrer">biodegradable mats</a>. Removing threats, proximity to donor seagrass beds, planting techniques, project size and site selection all play roles in a restoration effort's success.</p><p>Human assistance isn't always necessary, though. In areas where some beds remain, seagrass can even recover on its own when stressors are reduced or removed. For example, seagrass began to recover when Tampa Bay improved its water quality by reducing nitrogen loads from runoff by roughly 90%.</p><p>But more and more, seagrass meadows struggle to hang on.</p><p>The marine flowering plants have declined globally since the 1930s and currently disappear at a rate equivalent to a football field every 30 minutes, according to the <a href="https://www.unep.org/resources/report/out-blue-value-seagrasses-environment-and-people" target="_blank" rel="noopener noreferrer">United Nations Environment Programme</a>. And research published in 2018 found the rate of decline is <a href="https://agupubs.onlinelibrary.wiley.com/doi/full/10.1029/2018GB005941" target="_blank" rel="noopener noreferrer">accelerating</a> in many regions.</p><p>The causes of decline vary and overlap, depending on the region. They include thermal stress from climate change; human activities such as dredging, anchoring and coastal infrastructure; and intentional removal in tourist areas. In addition, increased runoff from land carries sediment that clouds the water, blocking sunlight the plants need for photosynthesis. Runoff can also carry contaminants and nutrients from fertilizer that disrupt habitats and cause algal blooms.</p><p>All that damage comes with a cost.</p>
The Value of Seagrass<p>As with ecosystems like rainforests and <a href="https://therevelator.org/mangroves-climate-change/" target="_blank">mangroves</a>, loss of seagrass increases carbon dioxide emissions. And that spells trouble not just for certain habitats but for the whole planet.</p><p>Although seagrass covers at most 0.2% of the seabed, it <a href="https://www.unenvironment.org/news-and-stories/story/seagrass-secret-weapon-fight-against-global-heating" target="_blank">accounts for 10%</a> of the ocean's capacity to store carbon and soils, and these meadows store carbon dioxide an estimated 30 times faster than most terrestrial forests. Slow decomposition rates in seagrass sediments contribute to their <a href="https://www.researchgate.net/publication/238506081_Assessing_the_capacity_of_seagrass_meadows_for_carbon_burial_Current_limitations_and_future_strategies" target="_blank" rel="noopener noreferrer">high carbon burial rates</a>. In Australia, according to <a href="https://onlinelibrary.wiley.com/doi/10.1111/gcb.15204" target="_blank" rel="noopener noreferrer">research</a> by scientists at Edith Cowan University, loss of seagrass meadows since the 1950s has increased carbon dioxide emissions by an amount equivalent to 5 million cars a year. The United Nations Environment Programme reports that a 29% decline in seagrass in Chesapeake Bay between 1991 and 2006 resulted in an estimated loss of up to 1.8 million tons of carbon.</p>
Eelgrass in the river delta at Prince William Sound, Alaska. Alaska ShoreZone Program NOAA / NMFS / AKFSC; Courtesy of Mandy Lindeberg / NOAA / NMFS / AKFSC<p>Seagrasses also protect costal habitats. A healthy meadow slows wave energy, reduces erosion and lowers the risk of flooding. In Morro Bay, California, a 90% decline in the seagrass species known as eelgrass caused extensive erosion, according to a <a href="https://www.sciencedirect.com/science/article/abs/pii/S0272771420303528?via%3Dihub" target="_blank" rel="noopener noreferrer">paper</a> from researchers at California Polytechnic State University.</p><p>"Right away, we noticed big patterns in sediment loss or erosion," said lead author Ryan Walter. "Many studies have shown this on individual eelgrass beds, but very few studies looked at it on a systemwide scale."</p><p>In the tropics, seagrass's natural protection can reduce the need for expensive and often-environmentally unfriendly <a href="https://www.nioz.nl/en/news/zeegras-spaart-stranden-en-geld" target="_blank" rel="noopener noreferrer">beach nourishments</a> regularly conducted in tourism areas.</p><p>Seagrass ecosystems improve water quality and clarity, filtering particles out of the water column and preventing resuspension of sediment. This role could be even more important in the future. By producing oxygen through photosynthesis, meadows could help offset decreased oxygen levels caused by warmer water temperatures (oxygen is less soluble in warm than in cold water).</p><p>The meadows also provide vital habitat for a wide variety of marine life, including fish, sea turtles, birds, marine mammals such as manatees, invertebrates and algae. They provide nursery habitat for <a href="https://wedocs.unep.org/bitstream/handle/20.500.11822/32636/seagrass.pdf?sequence=1&isAllowed=y" target="_blank" rel="noopener noreferrer">roughly 20%</a> of the world's largest fisheries — an <a href="https://www.floridamuseum.ufl.edu/science/seagrass-meadows-harbor-wildlife-for-centuries/" target="_blank" rel="noopener noreferrer">estimated 70%</a> of fish habitats in Florida alone.</p><p>Conversely, their disappearance can contribute to die-offs of marine life. The loss of more than 20 square miles of seagrass in Florida's Biscayne Bay may have helped set the stage for a widespread <a href="https://www.wlrn.org/2020-08-14/the-seagrass-died-that-may-have-triggered-a-widespread-fish-kill-in-biscayne-bay" target="_blank">fish kill</a> in summer 2020. Lack of grasses to produce oxygen left the basin more vulnerable when temperatures rose and oxygen levels dropped as a result, says Florida International University professor Piero Gardinali.</p>
Damaged Systems, a Changing Climate<p>Governments and conservationists around the world have already put a lot of effort into coastal restoration efforts. And that's helped some seagrass populations.</p><p>Where stressors remain, though, restoration grows more complicated. <a href="https://www.rug.nl/research/portal/en/publications/the-future-of-seagrass-ecosystem-services-in-a-changing-world(3a8c56db-7bed-4c9e-ac7f-c72453e2a102).html" target="_blank">Research</a> published this September found that only 37% of seagrass restorations have survived. Newly restored meadows remain vulnerable to the original stressors that depleted them, as well as to storms — and <a href="https://www.ecowatch.com/tag/climate-crisis">climate change</a>.</p>
Seagrass in Dry Tortugas National Park, Florida. Alicia Wellman / Florida Fish and Wildlife / CC BY-NC-ND 2.0<p>In Chesapeake Bay a cold-water species of seagrass is currently hitting its heat limit, especially in summer, according to Alexander Challen Hyman of University of Florida's School of Natural Resources and Environment. As waters continue to warm due to climate change, the species likely will disappear there.</p><p>Climate-driven sea-level rise complicates the problem as well. Seagrasses thrive at specific depths — too shallow and they dry out or are eaten, too deep and there isn't enough light for photosynthesis.</p>
But There’s Good News, Too<p>Luckily, left to its own devices, a seagrass meadow can flourish for hundreds of years, according to a <a href="https://royalsocietypublishing.org/doi/10.1098/rspb.2019.1861" target="_blank" rel="noopener noreferrer">paper</a> published last year by Hyman and other researchers from the University of Florida. The researchers arrived at their conclusion by looking at shells of living mollusks and fossil shells to estimate the ages of meadows in Florida's Big Bend region on the Gulf Coast.</p><p>That area has extensive, relatively pristine seagrass meadows. "Our motivation was to understand the past history of these systems, and shells store a lot of history," said co-author Michal Kowalewski.</p><p>A high degree of similarity between living and dead shells indicates a stable area, while a mismatch suggests an area shifted from seagrass to barren sand. The researchers found that long-term accumulations of shells resembled living ones, suggesting that the seagrass habitats have been stable over time.</p><p>That stability allows biodiversity to thrive, creating conditions where specialist species can survive and flourish, according to Hyman.</p><p>Discovering the long-term stability of seagrass meadows has implications for choosing restoration sites, Kowalewski notes.</p><p>"There must be reasons they thrive in one place, while a mile away they don't and fossil data says they probably never did," he said. "If we remove a seagrass patch, we cannot hope to plant it somewhere else. It's not just the seagrass that is special. The location at which it's found is special, too."</p><p>A better approach is conserving these habitats in the first place, but we're not doing enough of that right now. The UN reports that marine protected areas safeguard just 26% of recorded seagrass meadows, compared with 40% of coral reefs and 43% of mangroves.</p>
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