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Climate mitigation can – and must – include policies to assure food security
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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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Lancet report: Healthy lives and a liveable planet for all require major changes in what we eat and how we produce it
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17.01.2019 - Feeding a growing population of 10 billion by 2050 is possible if we shift towards a planetary health diet, a major new report by the EAT Lancet commission shows. International experts worked with the leading medical journal to develop the first comprehensive and detailed science based targets for improving our food system in a way that ensures healthy lives and a liveable planet for all. This includes doubling the amount of vegetables in what we eat every day, and halving red meat and sugar. Current diets are one of today's greatest causes for ill-health worldwide and in the same time threaten climate stability. Leading planetary boundaries researcher Johan Rockström, Director Designate of the Potsdam Institute for Climate Impact Research and former Director of the Stockholm Resilience Centre, is one of the report's lead authors.
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Potsdam Summer School 2018: The skin of our planet
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12/09/2018 - 42 outstanding young talents from 36 countries around the world will come together in Potsdam to discuss the interplay of dynamic processes on the Earth's surface. This year’s Potsdam Summer School, from the 10 to 19 September, is dealing with the skin of our planet, also featuring experts from the Potsdam Institute for Climate Impact Research (PIK). In lectures, discussions and workshops with scientists from leading research institutes in Potsdam, but also on an excursion to the Spreewald Biosphere Reserve, international young talents from science, industry and the public sector will discuss highly topical research issues and strengthen international cooperation.
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New Report “The World in 2050”: Sustainable development experts meet in New York
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07/10/2018 - From education and health to responsible consumption, a decarbonized energy-system, agriculture, sustainable cities and digitalization - six transformations are necessary to achieve the Sustainable Development Goals (SDGs) set by the United Nations, a new report by leading experts in the field finds. Published at the High-Level Political Forum on Sustainable Development (HLPF) in New York this week, the new report prepared by The World in 2050 (TWI2050) initiative outlines the key points that are necessary to bring the world on target to a sustainable future. More than 60 authors and 20 organizations were involved in the report, among them Johan Rockström, current Director of the Stockholm Resilience Centre and designated Director of the Potsdam Institute for Climate Impact Research (PIK), as well as PIK researchers Elmar Kriegler, Hermann Lotze-Campen and Alexander Popp.
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Mix it: Policy combination needed to achieve climate targets along with sustainable development goals
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06/20/2018 - A broad combination of policies might be best suited to help achieve both climate stabilization targets as well as most of the UN Sustainable Development Goals. These policies reach from straightforward CO2 pricing to regulation of water and forest protection, to lifestyle changes such as eating less meat, a new study shows. The scientists highlight the complex interplay between the different targets. A policy focused only on CO2 pricing would cost the least, they show, but would likely trigger substantial land-use changes.
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Wealth inequality: closing the gap by taxing land and bequests
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22/03/2018 - To reduce wealth inequality without diminishing the economic performance of a country, a policy package of bequest taxes and land value taxes could be the optimal solution. Such a policy package would, in fact, have a strong advantage over corporate taxation, a new study published in the journal International Tax and Public Finance finds. It is the first analysis to include the so far neglected factor of land for tackling wealth inequality. Land is of great interest for studying inequality as climate change might increase land prices and thereby affect housing costs. The cost increase could be countered by smart taxes that would at the same time reduce overall inequality in a country, and hence possibly help to reduce tensions in society that are amplified by populism.
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Marie Brunel
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Nico Bauer
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The scientific work of Research Domain 1 is concentrated in so-called Flagship Projects. These Flagship Projects are supported by Externally Funded Projects, both with regard to contents and personnel, and are partially interlinked to other PIK research domains.
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