Tuesday, August 6, 2019 - How we should transition to sustainable food systems is subject to heated and polarized debates. Proponents of agroecological production systems such as organic agriculture highlight the environmental benefits of these systems and argue that only those can lead to the necessary changes. Proponents of intensive production systems emphasize the need for high yields to spare land and assure food security for an ever increasing population, and argue that extensive systems cannot be sustainable due to their higher land use.

Four groups of policy interventions

In a recent comment in the journal, Nature Sustainability, (see this link) four groups of policy interventions are discussed for a transition to more sustainable food systems. First, policy makers can support alternative production systems such as organic agriculture. This support can take the form of direct payments, providing training and knowledge transfer, and funding research. The aim is not to achieve full coverage with any one alternative system, but to best utilize their potential and to further develop them as showcases of sustainable agriculture.

Second, enhancing consumer awareness of sustainability in agriculture together with retailers' commitment to offer such products could stimulate demand for more sustainable products.

Third, certain deterrents could trigger improvements in all types of agriculture, with key levers being reducing pesticide use and nitrogen inputs from outside regional ecosystem boundaries. Taxes on pesticides and taxes on mineral fertilizers, on nitrogen in imported feed and biomass could all contribute to this.

Fourth, government and industry could raise legal requirements and industry norms, e.g. by banning particularly hazardous substances and practices.

A flexible way to more ecology

These approaches are flexible in the sense that they do not exclusively support organic farming, integrated production, precision farming or any other single system. All of these approaches can find their place in such a policy landscape as long as they show decent sustainability performance. For example, any system with low nitrogen inputs would benefit, while even an organic system would be put at a disadvantage if it had high external nitrogen inputs.

Organic agriculture as the most prominent alternative farming system can play a special role in this. Its long experience regarding the development of the institutions needed to grow as an alternative system can inspire all four groups of policy interventions, be it related to direct support, consumers, gradual improvements or legal requirements and bans.

The policy context is challenging, though, given the powerful vested interests of agribusiness, food companies and commodity-related interest groups. Scientists, farmers, policymakers, businesses and civil society organizations need to align and pull these powerful players along to really make the future of farming look different than farming today. Tremendously different, otherwise in 2030, we'll be facing another type of SDGs (in addition to Sustainable Development Goals): Sustainable Development Gaps.

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