As war and conflicts rage on in Ukraine, Yemen, South Sudan, Libya, and other places around the globe, it’s important to look at the long-term effects of military strife, which can destroy the environment as easily as it destroys lives, The Revelator reports.
Here are 10 of the most dangerous ways war affects the animals and plants around us—many of which also harm humans in the process.
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1. Bullets and Bombs
The military may aim at people and infrastructure, but other life gets in the way. This can be hard to track, but a study published in the journal Nature in 2018 found that even a one-year conflict can cause local wildlife populations to crash. And a 2013 paper from PLoS One speculated that the Barbary lion may have gone extinct when its last forest refuge was destroyed during the 1958 French-Algerian War.
2. Toxics and Pollution
Heavy metals like lead can stay in the environment long after a bullet has been fired or a bomb exploded. Chemical agents like herbicides, often used in war to defoliate forested hideouts, can harm a wide range of species, either immediately or for decades after. The use of Agent Orange in Vietnam contaminated the soil for generations, affecting fish and birds before traveling up the food chain to humans.
Other damage can come from what gets destroyed during war. We see that on display in Ukraine right now, as hundreds of experts and organizations expressed their concerns March 3 in an open letter released through the Environmental Peacebuilding Association: “Russia’s military operations in a heavily industrialized, densely populated nation containing numerous refineries, chemical plants, and metallurgical facilities further compounds the threat of these hostilities for Ukraine’s people and their environment, both now and for years to come.”
3. Noise Pollution
Those explosions, fighter jets, tanks, and other weapons of war don’t have to hit you to hurt you. Firearms, missiles, and vehicles make a lot of noise. This constant cacophony can disrupt the patterns of wild animals, affecting sleep, migration, and the ability to hear and track prey. A 2016 study for Audubon magazine found that owls could not hear their prey when manmade sound levels reached just 61 decibels. Many military rifles, by comparison, produce noise at around 150 decibels—and that’s quiet compared to some weapons or vehicles.
4. Habitat Destruction and Degradation
How would your home fare after a line of tanks rolled through your front yard? Not well.
And that’s true in war. A 2002 paper published in the journal Conservation Biology documented the environmental damage from conflicts between 1961 and 2000, including deforestation, erosion, encroachment on wildlife reserves, pollution, oil spills, marshland drainage, the release of invasive species, and more. The authors described many of these conditions as “severe.” Some nations have never recovered.
5. Poaching, Subsistence Hunting, Firewood Collection and Other Ways of ‘Living Off the Land’ by Hungry Soldiers, Locals and Refugees
An army travels on its stomach—and, as we’re seeing in Russia’s invasion of Ukraine, those soldiers aren’t always well fed, either through lack of planning or supply chain disruptions. This can cause…problems. During the Second World War, stranded and starving Japanese soldiers ate a flightless bird called the Wake Island rail out of existence. Wars have also caused widely documented declines in elephants, gorillas, bonobos, a range of ungulates, and hundreds of other species.
6. Domino Effect
Let’s say those hungry soldiers eat all the local herbivores—what happens to the ecosystem after they’re gone?
In Gorongosa National Park, the disappearance of elephants and other large vegetation-eating species during the 1977-1992 Mozambican Civil War resulted in a 34% increase in tree cover, according to a 2015 study published in the Journal of Ecology. This might seem like a good thing, but as the authors wrote, it’s a sign of an ecosystem out of balance:
“Woody encroachment is a significant conservation and management concern in savannas, grasslands, and rangelands where it threatens native herbaceous plant species and the animals and ecosystem processes that depend on them. Further tree cover expansion in Gorongosa could inhibit recolonization of some areas by species that prefer open habitats (including buffalo, wildebeest, and zebra).”
7. Killing of Civilian Conservation Workers and Destruction Of Conservation Facilities and Infrastructure
Who will help species in need if trained and experienced professionals are killed or displaced? In 2012, efforts to conserve the okapi (a giraffe relative that looks like a cross between a zebra and a horse) suffered a devastating setback when a militia attack killed six people at the Okapi Conservation Project in the Democratic Republic of the Congo. The rebels also killed all 14 of the project’s resident okapi, burned buildings, and looted supplies.
More recently, six rangers protecting the DRC’s famous mountain gorillas were ambushed and killed last year by the Mai-Mai militia group—one of many such attacks. The Thin Green Line Foundation, which supports wildlife rangers, estimates that 100 rangers are murdered every year on average.
As wartimes threatens these conservation personnel, they become ever more important, as the authors of the 2002 Conservation Biology paper wrote:
“It is local conservationists and field staff who must maintain continuity of presence during periods of political instability, establish lines of communication with local government officials and military administrators in rapidly shifting political landscapes, and provide much-needed material and moral support to besieged reserve personnel in regions beset by war and civil conflict. In instances where government institutions have been overthrown or ceased to function, local non-governmental organizations and conservationists can help maintain continuity in conservation programs.”
8. Epidemics Affecting People, Livestock and Wildlife
War has long been a breeding ground for disease (and the advent of bioweapons makes things even worse). Earlier this month, health experts warned that the invasion of Ukraine could speed the spread of COVID-19 and other diseases. Historical wildlife disease outbreaks documented during wartime include rinderpest, anthrax, rabies, human monkeypox, bubonic plague, and foot-and-mouth disease. Many of these diseases either directly threatened people or pushed them further toward starvation.
9. Resource Extraction
Too many wars have been fought over gold, oil, or other lucrative natural resources. War also makes illegal extraction easier, whether it’s mining in conflict zones or poaching in lawless zones. The militia that attacked the Okapi Conservation Center in 2012 was retaliating against efforts to restrict their illegal ivory trading and gold mining.
There’s another angle to this, of course: Oil and gas extraction are the heart of the Ukraine conflict, and that’s just making climate change worse. How many more conflicts over food, water, and other scarce resources will this fuel in the future?
10. Disruption of Government Services, Financial and Human Capital, and Political Instability
If you’re busy fighting for your survival, patrolling for poachers or polluters is the least of your worries. Meanwhile death, exhaustion, and trauma take their toll at every level of society.
Those are probably the biggest messages of the 2002 Conservation Biology paper, which should ring true in this time of war two decades later.
And the effects, the authors warned, won’t be short term. War causes scarcity, which furthers social and political conflict, which begets more war. The loss of wildlife can have cascading environmental consequences, ranging from extinctions to outbreaks of disease and invasive species. Opportunistic corporations and criminals use the cover of war to increase their environmentally destructive activities. Conservation funding gets shifted to military and police operations—perhaps permanently. Wartime disruptions to sanitation and medical infrastructure can cause long-term epidemics, while destruction of waste facilities or oil, gas, or nuclear operations can poison the landscape for generations.
So can the human trauma of war. Just ask the millions of people fleeing Ukraine today, many of whom are descendants of refugees of earlier wars and already carry their ancestors’ stories in their hearts, minds, history, and culture.
This story originally appeared in The Revelator and is part of Covering Climate Now, a global journalism collaboration strengthening coverage of the climate story.
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