Climate change fuels outbreaks of the world’s most destructive migratory pest. TMG argues for a paradigm shift in handling transboundary crises such as desert locusts that places early warning and action systems at its centre.
Dr Adam Prakash is a TMG research associate, whose work explores the quantitative links between climate change and agriculture and how emerging technologies can de-risk food systems.
TMG – ThinkTankforSustainabilty
‘The Horn of Africa is facing the worst desert locust crisis in over 25 years, and the most serious in 70 years for Kenya. The current situation […] is set to become a regional plague […] which represents an unprecedented threat to food security and livelihoods in the region and could lead to further suffering, displacement and potential conflict.’ Food and Agriculture Organization of the United Nations (FAO, 2021)
This FAO statement may have been regarded as alarmist at the time it was published. However, there is widespread consensus that desert locust outbreaks, and for that matter, other transboundary pest threats, will be much more common with a rapidly changing climate. They are expected not only to be more frequent, but more intensified and potentially transcending to other regions. Researchers suggest that global warming already had influenced this outbreak. The roots of the ongoing upsurge lie in unusually high temperatures in the Indian Ocean and consequently the Arabian Peninsula being struck by multiple severe cyclones between 2018 and 2019. When cyclone Mekunu hit the Arab peninsula in May 2018, it filled a vast desert in Saudi Arabia – the Rub al Khali, also known as the ‘Empty Quarter’ – with freshwater lakes and provided desert locusts with optimal breeding ground. Uncontrolled generations of breeding ultimately led to swarms the size of Luxembourg witnessed in Kenya.
Increasing episodes of drought and heat stress due to climate change are already placing smallholders at risk.
Transboundary pest outbreaks could be the near-term tipping point for the devastation of rural livelihoods, population displacement and potential conflict.
The Need for Early Action
The last major desert locust incursion happened in West Africa almost two decades ago. Unfortunately, such long ‘recession’ phases result in unpreparedness to swiftly respond to an unfolding crisis. This has been reflected in shortcomings of the international governance mechanism to enact upsurge prevention measures, including the lack of early action (despite huge advances in technology in early warning systems), a lack of communication and scant intra-regional coordination, forcing afflicted countries to ‘go it alone’. When the full-blown crisis materialised, countries had no option but to resort to a last line of defence. This meant unleashing unparalleled quantities of highly toxic pesticides (organophosphates) into the already fragile environment, potentially wiping-out biodiversity and ecosystems and contaminating water and land resources, not forgetting the risks to human health posed by nerve agents – the active ingredient in the chemical pesticides applied.
Learning the Lessons
TMG Research has just released a scoping paper on the current desert locust crisis, providing an objective enquiry into all of the dimensions of the crisis. These include its origins and impacts as well as the conclusions stemming from independent evaluations of the responsiveness and governance of early warning systems, which analysed the communication and coordination of countries’ responses to the crisis. In light of this evidence, the scoping paper advocates a paradigm shift – a new mindset – for handling locust crises and other transboundary threats, given that the decades-old status quo model has failed to demonstrate readiness and early action.
The Three Pillars of Resilience, Digitalization, and Governance
An important step in changing mindsets is to expose the ‘true costs’ of the current desert locust plague: Not just the fiscal costs of pesticide interventions, but also the prohibitive costs to the environment and human health caused by such harmful pesticides.
This is about making the invisible costs visible.
Once monetised, a compelling case can be presented to actors of the multilateral system to create better global governance and invest in the underpinning early warning, prevention and control systems. The aim is that harmful pesticides (especially organophosphates such as chlorpyrifos, which is a potential persistent organic pollutant, also referred to as a ‘forever chemical’) would eventually be relegated to redundancy.
A prerequisite for upsurge prevention is the development of the best possible early warning and early action system.
In the case of desert locusts, a system could harvest available data from existing sources (improved satellite data, weather intelligence systems) that would then be fed to machine learning algorithms to help predict and destroy breeding grounds.
It could further be supported by innovative technology such as drones fitted with soil-penetrating sensors to identify egg pods and subsequently deploy robotics to excavate the breeding sites. These processes would all be implemented under the auspices of early action and avoidance of the use of highly toxic pesticides.
Such an early warning and action system necessitates a new type of global governance model, including forming international public private partnerships (PPPs) with service providers such as research institutions responsible for technological innovation and digitalization. There already exists a class of ‘impact investors’ – Environmental, Social and Government actors– who invest in global public goods for incentives that do not necessarily concern market returns. These partnerships are to be realized with the objective of safeguarding global public goods towards building better resilience. The global governance model would foster rapid communication, coordination and action between countries to thwart the risk of outbreak.
The ongoing upsurge shows that it is more than necessary to put emphasis on the much-needed political will towards establishing a well-functioning early warning system and early action able to integrate the challenges of climate change, bring resilience into the picture and define the needed actions jointly with all stakeholders. Such endeavor can have the potential to optimize crisis prevention and management systems, so that the world is better resilient towards future outbreaks of locusts and other transboundary pests.
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