Farmers in developing countries are particularly hard-hit by the effects of climate change.
Photo: © UFZ / André Künzelmann

Climate insurance is rarely well thought through in agriculture

Internationally subsidised agricultural insurance is intended to protect farmers in developing countries from the effects of climate change. However, it can also lead to undesirable ecological and social side effects, a team of German and US researchers explain in a recent study.

Researchers of the German Helmholtz Centre for Environmental Research (UFZ) and their US colleagues at the University of Oregon have explained in a review article in the latest issue of Global Environmental Change, why subsidised agricultural insurances may have unwanted side effects. The article also contains recommendations for improved insurance schemes which in future should take account of ecological and social aspects in addition to economic issues.

A range of international initiatives develop and promote risk insurance. One example is the G7 climate risk insurance initiative InsuResilience, which aims to insure 400 million people in developing countries against climate-related risks by 2020. The initiative includes "agricultural insurance", which is designed to insure farmers against major losses, for example as a result of extreme drought.

"Agricultural insurance can be a secure and extremely helpful tool for farmers in affected areas," says to Dr Birgit Müller, socio-ecological modeller at UFZ. "However, in their current format, the insurance policies are not always well thought through. They can bring about unwanted environmental and social side effects, and so do little to help farmers adjust to long-term changes in environmental conditions."

For the current review article, Birgit Müller worked with Professor Leigh Johnson, geographer at the University of Oregon, and her UFZ colleague David Kreuer to collect empirical and model studies from around the world to provide a comprehensive overview of the potential impact of agricultural insurance. "Previous studies have concentrated primarily on economic aspects. Little attention has been paid to the socio-ecological system as a whole," says Müller. "But one thing is becoming clear: agricultural insurance can have a range of unwanted side effects, for example changes to farmers’ land use strategies."

Small-scale farmers in developing countries traditionally grow a wide range of crops in their fields to ensure that at least one crop can survive a potential drought. However, farmers are frequently reverting to monocultures because the agricultural insurance is often linked to specific crops. This can have far-reaching ecological consequences, the researchers warn: a decline in agricultural biodiversity, deterioration in soil quality and increased use of fertilisers and pesticides, which in turn increases the risk of water pollution.

Weakening traditional social networks

Apart from ecological effects, the scientists also reveal some potential social side effects of agricultural insurance, such as the weakening of networks of small farmers in developing countries. As a general rule, farmers help each other in the wake of major crop failures. Agricultural insurance can lead to an insured farmer no longer helping another farmer who could have taken out insurance. "Agricultural insurance and the resulting changes in land use strategies can cause this kind of unintended ecological and social feedback, which in turn can lead to further problems and costs," warns Leigh Johnson. "In the long term, this could have a far-reaching impact on individual farms."

In their review, the researchers therefore put forward proposals on how to improve the design of agricultural insurance in future. For example, the insurance policies should take effect only in emergencies such as extreme droughts; farmers would deal with medium droughts using their own risk management measures.

The scientists hope that their review will contribute to the development of cohesive insurance schemes which take account of environmental and social aspects –it is important that development funds are channelled into well thought through concepts that are effective and economic in the long term."



Birgit Müller, Leigh Johnson, David Kreuer: Maladaptive outcomes of climate insurance in agriculture: Global Environmental Change

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