Five key questions to answer about resilient and sustainable food systems
Food systems are highly complex and interconnected. If our grocery stores and kitchens are to have a future with packed shelves, we need to be able to make our food systems sustainable. Horizon magazine reached out to food system experts with five essential questions.
The growing global population, reducing rural poverty, protecting the environment, climate change and the biodiversity crisis are just some of the challenges currently facing agriculture around the world. But we can do much to improve this situation by rethinking the food production and distribution systems to make them more sustainable. This shift should reflect local needs, culture and conditions, say experts.
Up to now, plans to change the food industry were made on a sector-by-sector basis through say, agriculture, education and health. But this approach fails to recognise the interconnections between food, health and the environment. A systematic approach to change is required.
‘These interconnections must be acknowledged to achieve effective planning and successful policy implementation,’ said Tom Arnold. He chairs the European Commission’s High Level Expert Group on how science and evidence can better support policy making for sustainable food systems.
The key to reversing this fragmented approach is to take a “food systems” view. It seeks to identify, analyse and assess the impact and feedback of the system’s different actors, activities and outcomes. This in turn helps to identify possible measures to enhance the security of food and nutrition.
Food systems are a complex web of people, institutions, activities, processes and infrastructure which combine to produce, process, transport, serve and consume food.
The food system not only profoundly influences our bodily health, but also the health of our environment, economy and even our society. When it works well, it is the bedrock of our families, communities and countries.
Following the COVID-19 pandemic and the Russian invasion of Ukraine it’s clear that much of the world’s food system lacks resilience and is vulnerable to collapse. To address these vulnerabilities, the experts need to consider five key questions about the global food system.
1. How are food systems influencing and being impacted by climate change?
Each activity within the food system generates pollutants and greenhouse gas (GHG) emissions, which cause climate change. Food production usually involves the use of farm machinery, industrial fertilisers and packaging, all of which heavily rely on fossil fuel components. Much food is then refrigerated and travels long distances from farm to fork.
Furthermore, overproduction leads to large amounts of food that is wasted. As it decomposes, food generates methane, a potent GHG. When food is wasted, the emissions generated to produce that food are wasted too.
Climate change directly affects the security of food and nutrition, especially in the Global South. There, many countries are experiencing a shorter growing season, lower crop yields, and decreasing amounts of arable land.
Rising temperatures can lead to water shortages, exacerbating malnutrition. Millions of small farmers (who are often the backbone of food production) are going out of business to be replaced by large-scale operations that produce food for export, not for the local population.
2. What are European policymakers, scientists and citizens doing to transform food systems?
The EU’s 2019 Farm-to-Fork Strategy acknowledges the challenges facing sustainable food systems. Its goal is to ensure that the benefits of the transition towards a green economy are experienced by everyone in society.
‘This is an important step in developing policies that recognise the complexity of food systems together with other complex systems like ecosystems, welfare, the economy and climate change,’ said Roberta Sonnino, Professor of Sustainable Food Systems at the Centre for Environment and Sustainability, University of Surrey.
‘In addition, Member States must deliver on the commitments made at the 2021 UN Food Systems Summit and form a vital link between global and local policy actions,’ she said.
Member States should also work closer with ordinary people to improve food systems policy making on the regional level.
Specific measures to transform the food system vary from place to place. For example, the planning system, with its land use plans and zoning laws, could open new avenues for change.
Innovative investment schemes and business models based on the interactions between food, health and inclusion could emerge.
Sustainability reforms were a big part of the new Common Agricultural Policy 2023-2027 for example, while the European Green Deal (EGD) reflects this changed approach.
The EGD plans to make Europe the first climate-neutral continent by 2050. This ambition covers strategies relevant to the food sector, like the Farm to Fork Strategy and the Biodiversity strategy for 2030.
Notwithstanding the current progress, it is complex work. There is no “silver bullet,” claims Arnold. ‘Each country has its own distinctive food system, based on its natural resource base, climate, production patterns, eating habits and history,’ he explained.
3. What’s the best way to connect top-down (global) and bottom-up (local) measures to transform food systems?
One way is for global and local initiatives to be connected at the national level. ‘We need investment by national governments to develop the infrastructure for sustainable food systems like wholesale markets, farmers’ markets, food hubs and other food distribution channels,’ said Prof. Sonnino. This action would encourage cooperation between the players in the industry.
National and regional governments also have the capability to use their regulatory and legislative powers to create a more supportive environment for transformative agendas.
Targeted price, tax and advertising policies, combined with the setting of national decarbonisation targets are also necessary to address situations in which food environments are designed by market considerations only. Unfortunately, this is often the case in deprived areas.
‘The 2021 Food System Summit concluded that transformation of the global food system will require a particular focus on science, research and innovation.’ said Arnold. In keeping with the UN’s Sustainable Development Goals (SDGs) the aim is to implement change through financing, data, governance and trade, and support healthier, more inclusive and sustainable food systems.
‘This includes building on good practice such as indigenous food systems and engaging all people, particularly women and youth, indigenous peoples, businesses and producers,’ he said.
4. Why is it difficult for cities and regions to address the relationship between food, health and inclusion?
Cities and regions operate within a fragmented administrative environment, which is still dominated by historically “siloed” ways of working. Under such circumstances, it is difficult to develop policies that initiate and sustain change. Food system innovators often find themselves working in isolation.
While it’s one thing to set in motion transformative strategies that build on the connections between food, health and inclusion, it’s another thing to sustain the transformation agenda and achieve scale.
‘To enable and support local initiatives, we urgently need to address the fractured nature of food systems across multiple vertical (global-local) and horizontal (sectoral and territorial) levels of governance,’ said Prof. Sonnino.
5. Are there any examples of European cities or regions that could act as role models for transforming food systems?
There are many examples of European cities working to make the food system healthier and more inclusive through the adoption of a “place-based” approach. With its emphasis on “places”, the Food 2030 Research & Innovation programme has been instrumental in helping cities builds on specific local conditions to address local needs in innovative ways. There is always a balance to be struck between different sustainability objectives at different scales.
An important mechanism that can be employed by local government at the city level is the Food Policy Council, which actively engages citizens in local food policies and governance.
Food Policy Councils are currently well established in cities such as Vienna, Amsterdam, and Berlin, to name a few. Other cities are using their food procurement powers to develop public food systems that provide healthy food to vulnerable citizens like schoolchildren, hospital patients and the elderly residents of nursing homes. This means working with those food producers and catering services that respect the environment.
One of the best examples in this regard is Copenhagen, where the tendering process is driven by the UN’s Sustainable Development Goals.
‘But I can’t think of a single city yet that has managed to thoroughly reform its food system,’ said Prof. Sonnino.
‘Best practice examples tend to emerge within very specific areas and are, therefore, quite rare and fragmented. We currently lack examples of completely integrated food policy agendas – at the urban level and beyond,’ she pointed out.
The impetus to make sustainable food systems the norm will have a positive impact on job creation and local economies. It will make local communities more self-reliant and sustainable, eventually benefiting all of us.
Global coalition for food systems
On 23 March 2022, the European Commission announced that it is stepping up support for global action to transform food systems via eight Global Coalitions.
Concerns about food security is front-of-mind in Europe and all over the world at the present moment with high prices and acute supply issues, the situation has the potential to be disastrous.
The double whammy of the Covid-19 pandemic and the Russian invasion of Ukraine have hit at the heart of global food security and resilience. By engaging in eight global Coalitions for Action, the European Union will work together with global partners to improve food security.
The EU will actively engage with and support action on food production to improve diet and nutrition, sustainability, resilience and productivity to help mitigate and avert food crises on a global basis through the Coalitions.
In a statement, Commissioner for Innovation, Research, Culture, Education and Youth, Mariya Gabriel, said: “The scientific contribution and engagement by the Commission have been pivotal in the preparation of the Coalitions … (We have) established a high-level expert group to explore the needs and options to strengthen the international science policy interface for improved food systems governance, whose recommendations will be finalised by May 2022.
To learn more about the EU’s role in international action to transform food systems via eight Global Coalitions, follow the link to the press release below.
Food security: Commission steps up support for global action to transform food systems via eight Global Coalitions
The research in this article was funded by the EU. This article was originally published in Horizon, the EU Research and Innovation Magazine.
Clouds in the sky provide new clues to predicting climate change
While barely being given a second thought by most people, the masses of condensed water vapour floating in the atmosphere play a big role in global warming.
By MICHAEL ALLEN
Predicting how much Earth’s climate will warm is vital to helping humankind prepare for the future. That in turn requires tackling a prime source of uncertainty in forecasting global warming: clouds.
Some clouds contribute to cooling by reflecting part of the Sun’s energy back into space. Others contribute to warming by acting like a blanket and trapping some of the energy of Earth’s surface, amplifying the greenhouse effect.
‘Clouds interact very strongly with climate,’ said Dr Sandrine Bony, a climatologist and director of research at the French National Centre for Scientific Research (CNRS) in Paris.
They influence the structure of the atmosphere, impacting everything from temperature and humidity to atmospheric circulations.
And in turn the climate influences where and what types of clouds form, according to Bony, a lead author of the Nobel Peace Prize-winning assessment report in 2007 by the United Nations Intergovernmental Panel on Climate Change.
So many processes and feedback loops can affect climate change that it’s helpful to break down the issue into smaller parts.
‘Every time we manage to better understand one of the pieces, we decrease the uncertainty of the whole problem,’ said Bony, who coordinated the EU-funded EUREC4A project that ended last year.
A number of years ago, Bony and her colleagues discovered that small, fluffy clouds common in trade wind regions cause some of the largest levels of uncertainty in climate models. These clouds are known as trade cumulus.
While trade cumulus clouds are small and relatively unspectacular, they are numerous and very widely found in the tropics, according to Bony. Because there are so many of these clouds, what happens to them potentially has a huge impact on climate.
EUREC4A used drones, aircraft and satellites to observe trade cumulus clouds and their interactions with the atmosphere over the western Atlantic Ocean, near Barbados.
Many models assume that the structure and number of these clouds will change significantly as the global temperature warms, leading to possible feedback loops that amplify or dampen climate change. The models that project a strong reduction in such clouds as temperatures rise tend to predict a higher degree of global warming.
But Bony and her colleagues discovered that trade cumulus clouds change much less than expected as the atmosphere warms.
‘In a way, it is good news because a process that we thought could be responsible for a large amplification of global warming does not seem to exist,’ she said. More importantly, it means that climatologists can now use models that more accurately represent the behaviour of these clouds when predicting the effect of climate change.
Reducing this element of uncertainty in forecasts of the global extent of warming will make predictions of local impacts such as heatwaves in Europe more precise, according to Bony.
‘The increase in the frequency of heatwaves very much depends on the magnitude of global warming,’ she said. ‘And the magnitude of global warming depends very much on the response of clouds.’
Water and ice
Meanwhile, Professor Trude Storelvmo, an atmospheric scientist at the University of Oslo in Norway, has been exploring the processes inside a different type of cloud – mixed-phased clouds – to help improve climate models.
She is fascinated by how processes in clouds that occur on a tiny, micrometre scale can have such a big influence on global-scale atmospheric and climate processes.
Mixed-phase clouds contain both liquid water and ice and are responsible for the majority of rainfall across the globe. In recent years, it has become clear that they also play an important role in climate change.
Storelvmo coordinated the EU-funded MC2 project, which ran for five years until last month and unearthed new details about how mixed-phase clouds react to higher temperatures. The results highlight the urgency of transitioning to a low-carbon society.
The more liquid water that mixed-phased clouds contain, the more reflective they are. And by reflecting more radiation from the sun away from the Earth, they cool the atmosphere.
‘As the atmosphere warms, these clouds tend to shift away from ice and towards liquid,’ said Storelvmo. ‘What happens then is the clouds also become more reflective and they have a stronger cooling effect.’
But some years ago, Storelvmo and colleagues discovered that most global climate models overestimate this effect. MC2 flew balloons into mixed-phase clouds and used remote sensing data from satellites to probe their structure and composition.
The researchers discovered that current climate models tend to make the mix of water and ice in mixed-phase clouds more uniform and less complex than in real clouds, leading to overestimations of the amount of ice in the clouds.
Because these model clouds have more ice to lose, when simulations warm them the shift in reflectiveness is greater than in real clouds, according to Storelvmo. This means the models overestimate the dampening effect that mixed-phase clouds have on climate change.
When the team plugged the more realistic cloud data into climate models and subjected it to simulated warming, they made another important finding: the increase in the reflectiveness of mixed-phased clouds weakens with warming.
While with moderate warming the dampening effect on higher temperatures is quite strong, this is no longer the case as warming intensifies.
There comes a point when the ice in the cloud has all melted and the cooling effect weakens – and then completely vanishes. Exactly when this starts to happen is a question for future research.
But, according to Storelvmo, this reinforces the need for urgent reductions in greenhouse-gas emissions.
‘Our findings suggest that if we just let greenhouse-gas emissions continue, it won’t just be a linear and gradual warming – there could be a rapidly accelerating warming when you get to a certain point,’ she said. ‘We really need to avoid reaching that point at all costs.’
As new findings on clouds such as these are integrated into models, climate predictions used by policymakers will become more refined.
Research in this article was funded via the EU’s European Research Council (ERC). The article was originally published in Horizon, the EU Research and Innovation Magazine.
Kazakhstan Discusses Ways for Achieving Carbon Neutrality and Building Resilience
Today the Ministry of Ecology and Natural Resources and the Ministry of National Economy of the Republic of Kazakhstan jointly with the World Bank and Kazakhstan Association “ECOJER” launched a series of policy dialogues to support Kazakhstan in implementing its critical climate and environmental strategies, including the transition to a low-carbon economy, air quality management, and resilience to climate change. The first of the workshop series held today focused on supporting Kazakhstan’s transition to carbon neutrality by 2060.
Kazakhstan made a bold leap forward on a newly charted course for the country’s development by adopting The Strategy on Achieving Carbon Neutrality by 2060. Approved by the President of the Republic of Kazakhstan on February 2, 2023, the strategy sets ambitious net-zero carbon goals for climate action and identifies key technological transformations needed for the country’s decarbonization. To achieve these transformations, the country will require determining and implementing effective and targeted policies and programs across the whole of the country’s economy.
“Our goal is to reduce our carbon footprint and use the benefits of sustainable economic growth, improved public health and reduced climate risks. Net investment in low-carbon technologies is estimated at $610 billion. This will certainly lead to the emergence of new and expanding existing markets and niches for domestic manufacturers, and stimulate the creation of high-skilled jobs,” said Alibek Kuantyrov, Minister of National Economy of the Republic of Kazakhstan.
Participants of the first policy dialogue discussed a roadmap for the implementation of the government policies, measures, and investments in support of the approved strategy. The event also provided a forum for the experts to share best practices and experience in low-carbon policy implementation in the Czech Republic, Germany, and Poland.
“The recently adopted strategy for Kazakhstan’s transition to carbon neutrality attests to the government’s resolve to pivot towards a growth model that is driven less by fossil fuels and more by investments in climate-smart industries in water, agriculture, and rangelands management. This broad economic transformation will require an enabling environment centered on policies, investments, and ensuring a just transition for people and communities,” says Andrei Mikhnev, World Bank Country Manager for Kazakhstan.
To help Kazakhstan prioritize the most impactful actions that can reduce greenhouse gas emissions and boost climate change adaptation while delivering on broader development goals and carbon-neutral future, the World Bank recently published Kazakhstan Country Climate and Development Report. The report suggests main pathways to support Kazakhstan’s low-carbon, resilient transition.
“Reduction of greenhouse emissions is a non-alternative course for Kazakhstan and there is an obvious need for legislative instruments. Today, government agencies need to develop the implementation roadmap, and the industry needs to get clear messages – in which direction they will move in the coming decades and what kind of support from the government they can count on. Such dialogues needed to ensure a balance of interests of state bodies and institutions, to identify business opportunities, and get knowledge of the best world experience, so that we can achieve our goals and improve the environmental situation in the country,”said Lazzat Ramazanova, Chairman of the Council of the Kazakhstan Association “ECOJER”.
The policy dialogues series aims to provide a robust platform for multi-stakeholder and multi-sectoral engagement. By bringing together Kazakhstan’s government agencies, the private sector, civil society, academia, international development organizations, and the world’s leading experts, the dialogues aim to foster collaboration and action to accelerate the implementation of Kazakhstan’s carbon neutrality targets as well as low-emission development strategy, international climate action commitments, and adaptation measures. The focus of the series’ next policy dialogues scheduled in April and June 2023 will be on air pollution reduction and climate change adaptation in support of Kazakhstan’s climate and development goals.
WEF’s Blue Food Partnership Launches Roadmap to Strengthen Sustainable Growth in Aquaculture
The World Economic Forum’s Blue Food Partnership launched today a Global Sustainable Aquaculture Roadmap at the Our Ocean Conference in Panama, in collaboration with FUTUREFISH and the Aquaculture Stewardship Council and in consultation with the Partnership’s Sustainable Aquaculture Working Group, to strengthen sustainable growth in aquaculture.
Blue foods – from the ocean, rivers and lakes – are the most highly traded food products in the world and provide livelihoods for millions of people as well as healthy and nutritious food for billions. Many types of blue foods also have lower carbon footprints than terrestrial food production and are critical to ensuring climate resilience as well as global food and nutrition security. Demand for these foods is expected to double by 2050 and much of this demand will be met through aquaculture production.
The roadmap is an important guide for transformative action in aquaculture value chains and the sector overall.
Like all food systems, aquaculture presents both opportunities and challenges. Some current aquaculture practices have a negative impact on habitats and communities, and significant progress is needed to realize sustainable growth while also making a broad contribution on the 2030 UN Sustainable Development Goals. Increased production must be undertaken from a nature-positive perspective to preserve critical habitats and biodiversity.
“Meeting our increasing demand for healthy and nutritious food in more sustainable ways is a monumental challenge, yet great potential lies in the water,” said Kristian Teleki, Director, Ocean Action Agenda and Friends of Ocean Action, World Economic Forum. “Blue foods from our ocean, rivers and lakes are the most highly traded food products in the world and already provide livelihoods for many millions as well as healthy and nutritious food for billions. This roadmap will ensure we are on a sustainable and ethical pathway to producing more food for an increasingly hungry planet.”
Informed by a systems-change approach, the roadmap see aquaculture as being fundamentally connected to nature, climate, nutrition and equitable livelihoods. Based on this approach, it provides four pathways – responsible production, better livelihoods, healthy consumption, and an enabling environment – to accelerate action towards the greater social, economic and environmental benefits that the sustainable growth of aquaculture can offer.
“It is increasingly recognized that the aquaculture industry must play a more active, leading and collaborative role in addressing challenges in the aquaculture sector,” said Chris Ninnes, CEO, Aquaculture Stewardship Council and Co-Chair, Blue Food Partnership’s Sustainable Aquaculture Working Group. “Some progress has been made by the collective efforts of various committed industry associations but more needs to be done across the wide spectrum of aquaculture systems to make them as sustainable as possible for the long term.”
The Sustainable Aquaculture Working Group is a pre-competitive initiative of the Blue Food Partnership, supported by the UK government’s Blue Planet Fund. Bringing together stakeholders from the private sector, non-governmental and intergovernmental organizations, scientists and governments, the partnership aims to catalyse science-based actions towards healthy and sustainable blue food value chains.
The Blue Food Partnership will share key findings from the roadmap and spark discussion among representatives across geographies, sectors and production systems at an official side event at the Our Ocean Conference in Panama City on Friday 3 March.
“We invite all relevant stakeholders engaged in aquaculture to view this roadmap as a community resource to be shared and applied to their own efforts. From there, we can collectively build momentum towards the sustainable growth of aquaculture that is good for people, nature and climate,” Teleki said.
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