Environmental Demages before, during and after Wars


Environmental damage before conflicts

According to Conflict and Environment Observatory (CEOBS), the environmental impact of wars begins long before they do. Building and sustaining military forces consumes vast quantities of resources. These might be common metals or rare earth elements, water or hydrocarbons. Maintaining military readiness means training, and training consumes resources. Military vehicles, aircraft, vessels, buildings and infrastructure all require energy, and more often than not that energy is oil, and energy efficiency is low. The CO2 emissions of the largest militaries are greater than many of the world’s countries combined.    

Militaries also need large areas of land and sea, whether for bases and facilities, or for testing and training. Military lands are believed to cover between 1-6% of the global land surface. In many cases these are ecologically important areas. While excluding public development from these areas can benefit biodiversity, the question of whether they could be better managed as civil protected areas is rarely discussed. Military training creates emissions, disruption to landscapes and terrestrial and marine habitats, and creates chemical and noise pollution from the use of weaponsaircraft and vehicles.

Sustaining and renewing military equipment and materiel means ongoing disposal costs, with implications for the environment. It is not just the most hazardous nuclear and chemical weapons that create environmental problems throughout their lifecycle. The same is also true for conventional weapons, particularly where they are disposed of through open burning or detonation. Historically, vast quantities of surplus munitions were also dumped at sea.

 A history of weak environmental oversight has left many countries with serious environmental legacies linked to military pollution, with impacts on public health and vast costs for environmental remediation. These continue to grow as emerging pollutants like PFAS are identified. These legacies are also a problem around overseas bases where one-sided agreements with host nations can reduce environmental oversight.

Indirectly, high levels of military spending diverts resources away from solving environmental problems and away from sustainable development. International tensions stoked by high levels of military spending also reduce opportunities for international cooperation on global environmental threats, such as the climate emergency. It is also important to consider how security policies and militarism are tailored to ensuring access to, and control of, natural resources like oil, gas, water and metals.

Environmental damage during conflicts

The environmental impact of conflicts themselves vary greatly. Some international armed conflicts may be brief but highly destructive. Some civil wars may last for decades but be fought at low intensity. Many contemporary conflicts have blurred the lines, lasting years but with sustained periods of high intensity warfare. Who is fighting, where they’re fighting and how they’re fighting all strongly influence the environmental impact of a conflict.

High intensity conflicts require and consume vast quantities of fuel, leading to massive CO2 emissions and contributing to climate change. Large scale vehicle movements can lead to widespread physical damage to sensitive landscapes and geodiversity, as can the intensive use of explosive ordnance. The use of explosive weapons in urban areas creates vast quantities of debris and rubble, which can cause air and soil pollution. Pollution can also be caused by damage to light industry and environmentally sensitive infrastructure such as water treatment plants. The loss of energy supplies can have reverberating effects that are detrimental to the environment, shutting down treatment plants or pumping systems, or can lead to the use of more polluting fuels or domestic generators.   

Severe pollution incidents can be caused when industrial, oil or energy facilities are deliberately attacked, inadvertently damaged or disrupted. In some cases, deliberate attacks on oil or industrial facilities are used as a weapon of war, to pollute large areas and spread terror. Other scorched earth techniques include the destruction of agricultural infrastructure like canals, wells and pumps and the burning of crops. Tactics like these threaten food security and livelihoods, increasing the vulnerability of rural communities. Whether unintended or deliberate, these large-scale pollution incidents can lead to transboundary impacts from air pollution or through the contamination of rivers, aquifers or the sea. In some instances, these even have the potential to affect weather or the global climate.

Weapons and military materiel used during conflicts also leave environmental legacies. Land mines, cluster munitions and other explosive remnants of war can restrict access to agricultural land and pollute soils and water sources with metals and toxic energetic materials. In major conflicts, large volumes of military scrap may be produced or abandoned, this can contain a range of polluting materials, contaminating soils and groundwater, whilst exposing those who work on it to acute and chronic health risks. Wrecked or damaged ships, submarines and offshore oil infrastructure can cause marine pollution.

Many conventional weapons have toxic constituents, others such as depleted uranium are also radioactive. Incendiary weapons such as white phosphorous are not only toxic but can also damage habitats through fire. While now restricted, the widespread use of chemical defoliants damaged public and ecological health across large areas of Vietnam. 

Easy access to small arms and light weapons can harm wildlife through facilitating increased hunting and poaching, and the ungoverned spaces created by conflict create the ideal conditions for wildlife crime. Weapons used in wildlife crime have been found to have been sourced from countries affected by conflict. Scientists and researchers may be unable to access areas due to security problems, harming conservation programmes. While national parks and protected areas may lose what protection they had, or protecting them may be made more difficult when poachers are armed. These situations can encourage more militarised conservation, which can have negative effects on relationships with local communities.

Deforestation often increases during conflicts. Much of the time this is due to overharvesting by communities who are suddenly reliant on wood and charcoal for fuel and heating. But it can also be as a result of armed or criminal gangs taking advantage of the collapse of management systems. Civilian coping strategies can also lead to the overharvesting of other natural resources or to environmentally damaging practices such as artisanal oil refining. And in some cases, community systems of sustainable resource management may be disrupted. 

Environmental damage and degradation can also stem from resource extraction used to finance conflicts. In many conflicts, armed groups vie for control over oil, mineral resources or timber. Processing methods, such as the use of mercury in gold mining, can pollute water bodies. In addition to armed groups and artisanal workers, private companies may also be active in areas affected by conflict, often operating with minimal environmental oversight.  

Human displacement is common to many conflicts. Camps for refugees and internally displaced peoples can have large environmental footprints, particularly where they are unplanned or lack essential services, like water, sanitation and waste management. Their location is also important, as camp residents may be compelled to use local resources such as firewood, which can place local resources under pressure. People displaced by conflict may also move internally to urban areas, swelling the population and placing local environmental services under strain. 

In some cases, the areas where displaced people move through may be placed under pressure, for example herders moving their livestock through sensitive ecosystems. Large scale refugee movements can also create transboundary environmental impacts, when areas in neighbouring countries struggle to cope with the influx of people and with meeting their basic needs.

One basic need common to displacement camps and to urban areas experiencing conflict is waste management. Systems often break down during conflict leading to increased rates of waste dumping and burning, improper management and less waste segregation. Waste management systems are just one element of environmental governance that may collapse during conflicts. Local environmental laws and regulations may be ignored, and local and national administrations may lose their capacity to monitor, assess or respond to environmental problems. New administrations may also emerge in areas that are held by non-state actors, and whose approach to environmental governance may differ markedly from that of the government. In recent years there has been a growing trend towards the weaponisation of environmental information during conflicts, leading to the increased politicisation of environmental risks. 

Governments may be unable to meet their international environmental obligations, particularly because projects and programmes supported by the international community may be curtailed. In this way a localised conflict may harm the environment nationally by impacting governance and projects countrywide. The existence of a conflict can also create serious technological risks from industrial infrastructure, and then hamper the international cooperation required to address them. 

These diverse impacts on the environment mean that conflicts are often viewed as sustainable development in reverse, and may set countries back years. Not just because of new damage, but in the development that would have taken place were it not for the existence of a conflict. But is it all negative? There are times where the existence of conflict can confer protection to areas, for example by slowing unsustainable development that would otherwise have taken place in areas that are insecure, or by excluding human activities due to the presence of explosive remnants of war. But overall, and particularly because of the disruption conflicts cause to societies and to governance, the harms far outweigh the benefits.

Environmental damage during occupations

Inequitable resource management is common to occupations, with resource grabs and over-extraction common, whether of water or minerals. Environmental oversight can be limited or preferential, facilitating environmental degradation. The occupied population may be unable to enjoy the same environmental human rights as those of the occupier, and be forced to live with limited resources, poorer environmental services and higher levels of pollution.   

Politically focused development is common as the occupying power seeks to make its mark on a territory. In this way major infrastructure works may be undertaken with little environmental oversight.

Environmental damage after conflicts

Influxes of people can increase environmental pressures in areas from which they have been absent, particularly through agricultural conversion or expansion. This can lead to increased rates of deforestation. Research has shown a sharp increase in deforestation rates in many post-conflict countries, with clearance outpacing the state’s ability to control it.

The presence of military forces can extend well into the post-conflict phase. The operation and ultimate closure or handover of bases are associated with pollution issues, particularly where the host nation may be unable to enforce environmental standards. The post-conflict clearance of landmines and explosive remnants of war can lead to soil degradation and localised pollution, and negative changes in land use when areas are released back to communities.  Finally, the environmental costs of recovery may be significant. Massive urban rebuilding projects can require huge volumes of resources.

www.ecostimule.com

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