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Winter weather extremes in the US and Europe: messing with giant airstreams in the stratosphere
22/11/2018 - Over Thanksgiving, arctic air masses are predicted to bring record-cold temperatures and frigid winds to the Northeast of the United States. Driver for such winter weather extremes is often the stratospheric polar vortex, a band of fast moving winds 30 kilometers above the ground. In winter, when the polar vortex is disturbed by upward-blowing air masses, this can bring cold spells over Northeastern America or Eurasia, a new study now shows. And paradox as it might seem, climate change might further disrupt the complex dynamics in the atmosphere – bringing us not only more hot extremes in summer but potentially also cold spells in winter.
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Overcoming barriers for climate policy: Short-term policies can bring long-term targets in reach
15.10.2018 - To make climate policy more stringent, a smart sequencing of measures is a promising option. An international team of researchers now proposes a framework for doing so using policy sequencing – experiences from Germany and California serve as examples. Specific policy options at early stages enable more ambitious policies at later stages by removing or relaxing barriers that prevented their implementation. This might be a usefull approach for for the design of long term policies such as the currently debated German coal phase out.
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Summer of extremes - PIK experts in the media
07/26/2018 - Everybody seems to be talking about the weather these days, with extreme heat in Germany and Europe, forest fires in Sweden, Greece and California. From Japan to the Arctic - the Northern hemisphere is currently experiencing a heat wave and experts from the Potsdam Institute for Climate Impacts Research (PIK) were interviewed by numerous media outlets for an assessment of the current situation in the light of climate change.
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China floods to hit US economy: climate effects through trade chains
05/28/2018 - Intensifying river floods could lead to regional production losses worldwide caused by global warming. This might not only hamper local economies around the globe – the effects might also propagate through the global network of trade and supply chains, a study now published in Nature Climate Change shows. It is the first to assess this effect for flooding on a global scale, using a newly developed dynamic economic model. It finds that economic flood damages in China, which could, without further adaption, increase by 80 percent within the next 20 years, might also affect EU and US industries. The US economy might be specifically vulnerable due to its unbalanced trade relation with China. Contrary to US president Trump’s current tariff sanctions, the study suggests that building stronger and thus more balanced trade relations might be a useful strategy to mitigate economic losses caused by intensifying weather extremes.
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More than 14.000 Earth scientists meet in Vienna
06/04/2018 - The European Geophysical Union’s (EGU) general assembly in Vienna is one of the world's greatest scientific events – from 8 to 13 April, it attracts more than 14.000 scientists. Numerous experts from the Potsdam Institute for Climate Impact Research (PIK) give talks and participate in debates. A distinguished role is attributed to Stefan Rahmstorf, co-chair of PIK’s Earth System Analysis department, research domain 1. He has been asked to hold the first-ever EGU public lecture at the Vienna Museum for Natural History: “After Paris: Can we still control the climate crisis?”
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EU commissioner Stylianides visits PIK
01/24/2018 - The European Commissioner for Humanitarian Aid and Crisis Management, Christos Stylianides, visited the Potsdam Institute for Climate Impact Research (PIK) together with Director-General Monique Pariat and members of cabinet. He was interested in the latest climate research and particularly in prevention measures for the increasing risks of floods and forest fires due to climate change.
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Miodrag Stevanović
Miodrag Stevanović is a PostDoc researcher at PIK in the Landuse Management group. He holds a PhD in economics from the TU Berlin, has a master degree in economics from the Autonomous University of Barcelona and mathematics diploma from the University of Belgrade. His research is focused on land-use modeling and analysis of national agricultural and land-use policies with climate change mitigation objectives.
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Located in Institute Research Departments Climate Resilience