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Feeding the world without wrecking the planet is possible
20/01/2020 - Almost half of current food production is harmful to our planet – causing biodiversity loss, ecosystem degradation and water stress. But as world population continues to grow, can that last? A study led by researchers from the Potsdam Institute for Climate Impact Research (PIK) now suggests a comprehensive solution package for feeding 10 billion people within our planet’s environmental boundaries. Supplying a sufficient and healthy diet for every person whilst keeping our biosphere largely intact will require no less than a technological and socio-cultural U-turn. It includes adopting radically different ways of farming, reduction of food waste, and dietary changes. The study's publication coincides with the World Economic Forum in Davos and the International Green Week in Berlin, the world's biggest food and agriculture fair.
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Climate change, food and agriculture: PIK expertise at International Green Week in Berlin
20/01/2020 - Hundreds of thousands of people are currently exploring the International Green Week in Berlin, a leading global trade fair for agriculture and food with featuring more than 1800 exhibitors from 72 countries. According to the organizers, the International Green Week 2020 is focusing on climate change like never before, with numerous exhibitions and events. This year's trend topics include sustainability, resource conservation and environmentally friendly production processes. Experts from the Potsdam Institute for Climate Impact Research (PIK) will also be present at events at the Green Week from 17-26 January.
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Global food production at risk of simultaneous heat waves across breadbasket regions
09/12/2019 - Certain patterns in the jet stream encircling the Earth can bring simultaneous heatwaves to breadbasket regions responsible for up to a quarter of global food production. Particularly susceptible are Western North America, Western Europe, Western Russia and Ukraine. Extreme weather events of such extent can significantly harm food production and thus make prices soar. In recent years, major food price spikes were associated with social unrest.
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Johan Rockström Chairs Newly Launched Earth Commission
19/09/2019 - The initiative of 20 globally renowned scientists on Earth Systems sets out to identify the concrete risks climate change brings for cities and firms. They aim to delineate the exact scientific borders of what our Planet can bear in terms of human-made climatic changes. Specifically, the commission will elaborate concrete tangible targets for cities and firms, thus scientifically underpinning tailored Goals for Land, Water, Oceans, and Biodiversity.
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From avocados to apples: Producing food closer to cities could help reduce climate emissions
29.08.2019 - Millions of tons of groceries from agriculture are transported to our cities all around the globe every day to feed its dwellers. Produced anywhere in the world and transported as cargo on roads, rail or water from the farm gate into cities, this food transport is linked to a huge amount of CO2 emissions. Exploring options to reduce this “food-print”, a team of city researchers from the Potsdam Institute for Climate Impact Research (PIK) now provides the first global analysis of the potential of local food production to feed hungry cities in present and future. As it turns out, a large number of urban residents in many parts of the world could be nourished by local agriculture. However, climate change might take that option off the table, if greenhouse gas emissions are not rapidly reduced.
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Looking beyond the farm gate: New IPCC Special Report on Land Use and Climate Change
08/08/2019 – Almost three quarters of habitable land on earth are under human use – resulting in substantial impacts on our climate, a new report of the Intergovernmental Panel on Climate Change (IPCC) shows. Today, almost a quarter of human-made greenhouse gas emissions arise from agriculture, forestry and other land use. The latest IPCC Special Report investigates the current situation, possible future scenarios and potential solutions on how we can use land to feed ourselves, fuel economic growth and limit climate change risks. Two Potsdam scientists figure as lead authors of the chapter on food security and on the relations between land and climate.
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Climate mitigation can – and must – include policies to assure food security
13/05/2019 – Policies that aim at limiting dangerous climate change need to account for food security issues. For the first time, tradeoffs between climate mitigation and food security have now been analyzed in a so-called multi-model assessment: many different computer simulations dealing with the same issue. The costs for food-smart climate policies are around 0.2% of global economic output in 2050, an international team of scientists. However, carelessly designed climate policy could increase the number of people at risk of hunger, at least compared to a baseline scenario, according to the study now published in Nature Sustainability. Compared to today, the number of people at risk of hunger is likely to sink in all scenarios studied. Yet if no climate policy at all would be implemented, the resulting risks for crop failure due to droughts and floods might also lead to hunger and costs. Including these impacts of extreme events is a challenge for future research.
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New cookbook by Johan Rockström, now in German: "Eat Good" with healthy recipes for us and our planet
04/02/2019 - Unhealthy nutrition is one of the biggest causes of health risks worldwide and at the same time a risk to climate stability. What we eat can make a decisive contribution to our health and that of our planet. Healthy and sustainable recipes have now been presented by Johan Rockström, Director of the Potsdam Institute for Climate Impact Research and one of the authors of the recently published EAT Lancet report on healthy nutrition within the planetary boundaries. "Eat Good - The world-changing cookbook" the German cookbook is titled. The recipes ranging from breakfast to festive dinner are backed up by practical tips and background facts about food and its processing.
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The living lab experiment "Climate-Neutral Living in Berlin" takes stock: Everyone can contribute to climate stabilization, but without politics it won’t succeed
31/01/2019 - "Climate-Neutral Living in Berlin" – for one year, more than 100 Berlin households have tried to shift to a more climate-friendly everyday life, from families with children, partners, flatmates to singles. In the living lab experiment headed by the Potsdam Institute for Climate Impact Research (PIK), households were reducing their climate footprint by an average of around 10 percent, even though they had, on average, already started the project 25 percent below the German average. The results of the project: in all sectors, from nutrition and consumption to electricity, heating and mobility, there is great potential for each and every one to reduce their CO2 emissions. But the experiment also shows where the limits of individual contributions to climate protection are, and where a political framework is necessary to set the stage for a more climate-friendly everyday life.
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International Green Week: Agriculture expert Lotze-Campen speaks at several events
22/01/2019 - From agriculture and biodiversity to digital technologies in the agricultural sector to climate change and food: During and before the International Green Week (18-21 Jan), agricultural economist Hermann Lotze-Campen, head of research department "Climate Resilience - Climate Impacts and Adaptation" at the Potsdam Institute for Climate Impact Research, was invited as speaker at several events of various federal ministries in Berlin.
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