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Direct CO2 pricing gives room for additional voluntary emissions reductions

06/30/2020- Most climate economist agree that it makes sense to put a price tag on the emission of the most important greenhouse gas carbon dioxide, CO2. The discussion primarily revolves around whether it would be better to achieve this through a tax or emissions trading. Arguments include the administrative effort involved, the signal effect for investors, and the political enforceability. A new study based on a scientifically controlled experiment now sheds light on another aspect that has barely been researched so far: the incentive effect of both options on actors who want to act morally beyond their economic interests. The study was conducted by the economists Axel Ockenfels, Peter Werner and Ottmar Edenhofer, and has now been published in the renowned journal Nature Sustainability.

Minister Schüle visits PIK: "Brandenburg's institute of the future"

06/24/2020 - The Minister for Science, Research and Culture of the State of Brandenburg, Manja Schüle, visited the Potsdam Institute for Climate Impact Research (PIK) today. PIK Director Ottmar Edenhofer informed the Minister about the institute's current research priorities and exchanged views with her on strategies to further strengthen Brandenburg's research landscape.

Climate research informing global finance: Scenarios can serve as yardstick for central banks’ risk assessment

06/24/2020 – Stability is at the core of central banks’ objectives. To assess climate destabilization risks, major central banks and supervisors plan to utilise climate scenarios developed by a team of researchers led by the Potsdam Institute for Climate Impact Research. These scenarios will inform the climate stress tests that central banks like the Bank of England or the Banque de France are planning to apply to the financial institutions they regulate. The work was commissioned by the “Network of Central Banks and Supervisors for Greening the Financial System” (NGFS), a group of 66 central banks and supervisors around the globe which aims to develop climate risk management in the financial sector.

World Food Convention 2020 features keynote by Professor Lotze-Campen on food security

06/24/2020 - The Covid-19 pandemic has shown the volatility of our global food supply. In his keynote "Cooperation, preparation, information – how to prepare the food system for economic shocks", Professor Hermann Lotze-Campen, Head of PIK’s Climate Resilience Department, will contribute to this year's annual World Food Convention by addressing the crucial role international collaboration plays for averting future hunger crises in the wake of climate-related disasters.

Berlin Climate and Security Conference Kicks Off Major New Risk Assessment

06/23/2020 - Climate destabilization increases risks to peace and security - to address these risks, scientists and policy-makers are teaming up to find solutions. The Berlin Climate and Security Conference (BCSC) is the global meeting place for leaders from governments, international organisations, the scientific community, the private sector and civil society to explore how climate change is impacting peace and security—and what action the international community can take to tackle climate-fragility risks. This year the high-level event, which features statements from over 14 foreign ministers, heads of state, and UN chiefs, explores the steps necessary to ensure we build a climate- and conflict-sensitive post-Covid world. It is organised by the German Federal Foreign Office, in partnership with adelphi and Potsdam Institute for Climate Impact Research (PIK).

Museum für Naturkunde & PIK launch Summer School for Climate Knowledge

06/19/2020 - At the Museum für Naturkunde Berlin, interested guests can use the summer holidays to strengthen their knowledge of the climate and its effects - and young people from all over Germany can take part online. The summer school is taking place in cooperation with researchers from the Potsdam Institute for Climate Impact Research (PIK), and for the first time digitally. The easy-to-understand lectures and workshops complement each other, but can also be attended individually.

Excellency rewarded

June 2020 - The research of two young scientists from the Potsdam Institute for Climate Impact Research has recently been awarded for its excellence: Xiaoxi Wang wins China Council Scholarship, Andrew McConnell receives prize from Oxford's Martin School.

Bettina Hörstrup appointed as Administrative Director

06/17/2020 - The new position of Administrative Director at the Potsdam Institute for Climate Impact Research (PIK) will be filled by Bettina Hörstrup. A lawyer by training, she is currently Head of Human Resources and deputy of the Administrative Board at Deutsches GeoForschungsZentrum, a Helmholtz Centre. She starts at PIK in August. Her appointment completes the new leadership of the Potsdam Institute that has been established with Johan Rockström and Ottmar Edenhofer as Directors in 2018/19.

Johan Rockström receives Prince Albert II of Monaco Foundation Award

11/06/2020 - The Prince Albert II of Monaco Foundation has honored personalities and organisations for their commitment to the preservation of the planet since 2008. This morning, the Foundation announced this year´s three winners in the categories “Water”, “Climate Change” and “Biodiversity”.

Federal Government reappoints Wolfgang Lucht to the German Advisory Council

10.06.2020 - The German government has reappointed Wolfgang Lucht to its German Advisory Council on the Environment. Lucht is co-head of the Earth System Analysis Department at the Potsdam Institute for Climate Impact Research and has been a member of the Council for the past four years. Only a few days ago, the seven-member Council submitted a report of several hundred pages - which is only published every four years - to the Federal Minister for the Environment, Svenja Schulze. The committee of professors repeatedly takes a critical stance on current issues and thus advises the government.

The Sustainability Dialogues Podcast

05/06/2020 - What happens when a professional snowboarder and a distinguished climate scientist take off to the mountains together? The results are now public – a podcast with five episodes, covering topics from ice and glaciers to what to eat to save the world.

Making sense of climate scenarios: toolkit for decision-makers launched

03/06/2020 - To make climate scenarios work for decision-makers, an international team of researchers developed a comprehensive interactive online platform. It is the first of its kind to provide the tools to use those scenarios – from climate impacts to mitigation and energy options – to a broader public beyond science. The scenarios help policy makers and businesses, finance actors and civil society alike to assess the threat of global warming and ways to limit it.

Corona crisis fuels hate against Chinese on Twitter: Commentary

19/05/2020 - The COVID-19 pandemic has the world firmly in its grip with millions of confirmed cases worldwide and whole countries in full or partial lockdown. Despite calls for solidarity across borders and countless local support initiatives, various incidents prove that the corona outbreak has also given rise to a series of racist attacks against Chinese people and people with Asian looking features both on the streets and in social media networks. A team of researchers from the Potsdam Institute for Climate Impact Research has now investigated the use of discriminating language against Chinese people in the context of the COVID-19 pandemic on Twitter.

Caring for the future is key for cooperation to prevent climate collapse: study

20/05/2020 - How much decision-makers care about the future and not just the present is one key factor for whether or not they take action to stabilize our climate. Another one is how severe they assume the impacts of climate collapse to be. However, the number of actors is decisive – for instance the number of relevant countries, since efforts to reduce greenhouse gas emissions have to be international to add up to the amount needed to prevent a crisis. This is shown by a novel mathematical study. It finds a strong effect of diffusion of responsibility in scenarios with large numbers of actors. The study combines game theory and learning dynamics to explore which options for enhanced political cooperation should now urgently be studied empirically.

From artificial meat to fine-tuning photosynthesis: Food System Innovation – and how to get there

19/05/2020 - Food production has always shaped the lives of humans and the surface of the Earth. Be it plough or refrigerator, time and again innovations have transformed the ways we grow, process, and consume food over the last millennia. Today, with almost 40 per cent of all land on Earth used for food production, the food system massively impacts climate and environment – from nitrogen flows to water use, from biodiversity to greenhouse gas emissions. In a new study published in the journal NatureFOOD, an international team of researchers has now assessed and categorised key innovations with a potential to transform the food system, from artificial meat or seafood to biofortified crops or improved climate forecasts – and established what is most needed to make them succeed.

Delayed monsoon onset in Central India: early warning forecast

12/05/2020 - Summer Monsoon in Central India will likely begin between 18th and 26 of June, according to the new early forecast developed at the Potsdam Institute for Climate Impact Research (PIK). Led by PIK expert Elena Surovyatkina, the Monsoon forecast method showed to be successful already four years in a row. With global warming the monsoon is changing, breaking well-established “rules” of the phenomenon and thus becoming more unpredictable. A raising demand for a new understanding of the Indian Monsoon in order to be better prepared makes long-term forecasting even more important.

Sea level could rise more than 1 metre by 2100 if emission targets are not met, reveals survey amongst 100 experts

08/05/2020 - Global mean sea-level rise could exceed 1 metres by 2100 and 5 metres by 2300 with unchecked emissions, a survey among 100 leading international experts finds. The risk assessment is based on the increasing body of knowledge of the systems involved – while the scientists highlight the remaining uncertainties, they say it is clear now that previous sea-level rise estimates have been too low. The study led by scientists of Nanyang Technological University, Singapore (NTU Singapore) appears today in the Nature partner journal Climate and Atmospheric Science.

Petersberg Dialogue: Merkel speech on climate "an important reassurance"

29/04/2020 - This week, international decision-makers met online for the Petersberg Climate Dialogue. Germany's head of government Angela Merkel in her speech reaffirmed her commitment to climate stabilization. "This is an important reassurance in the midst of the global health crisis", comment the Directors of the Potsdam-Institute for Climate Impact Research.

Five years after the Paris Agreement: Large gap between promises and current implementation

29/04/2020 - Achieving the overall goals of the Paris Agreement will require a deep reduction in global greenhouse gas emissions, ideally by around 40%–50% by 2030. However, current national implementation of climate policies remains insufficient, yielding only around 5.5% reduction in emissions by 2030. The study was coordinated by PBL Netherlands Environmental Assessment Agency and Utrecht University in cooperation with the Potsdam Institute for Climate Impact Research and was published in Nature Communications. The findings are a contribution to the global evaluation of the Paris Agreement, held during the next three years.

G20 and climate: Edenhofer speaks at Global Solutions Summit

23/04/2020 - To advance the coupling of economic and environmental prosperity, leading thinkers and doers assembled at this year's Global Solutions Summit. PIK Director Ottmar Edenhofer was invited to deliver a keynote on what the G20 – the world’s largest economies – can do to prepare the road towards the next global climate summit COP26. The focus was on how to ensure functioning global carbon markets. Gunnar Luderer, also from the Potsdam Institute, participated in a panel debate on a circular carbon economy – in fact mitigation options such as storing or re-using CO2 emissions, or using biomass and renewables based-fuels.

Digital Earth Day 2020: A Conversation between Greta Thunberg and Johan Rockström from the Nobel Museum

April 22, 2020 marked the 50th year since Earth Day was first organised to highlight major environmental challenges in the world. On that day, Greta Thunberg and Johan Rockström have met for a digital conversation about courage, solidarity and opportunities in times of crisis. Greta stressed the need to listen to the science – in both the Corona pandemic and the climate emergency. The talk was hosted by the Nobel Foundation and live-streamed from the Nobel Prize Museum, Stockholm. Over 600 people from all over the world have tuned in, a few thousand watched the recorded version on Youtube, and many media have covered it. The talk is still available online, see link below.

Coal exit benefits outweigh its costs

23/03/2020 - Coal combustion is not only the single most important source of CO2, accounting for more than a third of global emissions, but also a major contributor to detrimental effects on public health and biodiversity. Yet, globally phasing out coal remains one of the hardest political nuts to crack. New computer simulations by an international team of researchers are now providing robust economic arguments for why it is worth the effort: For once, their simulations show that the world cannot stay below the 2 degrees limit if we continue to burn coal. Second, the benefits of phasing out coal clearly outweigh the costs. Third, those benefits occur mostly locally and short-term, which make them useful for policy makers.

Novel network analysis confirms: #stayathome helps limit virus mutations

16/04/2020 – Both the virus diseases of the 2013 Ebola regional epidemic and the current COVID-19 global pandemic have seen virus mutations between hosts – a normal phenomenon with the potential to turn viruses even more harmful. A team of scientists including researchers from Humboldt University and Potsdam Institute for Climate Impact Research has now employed advanced mathematical models to explore these dynamics. Their findings confirm public health responses like suspending long-haul travel, but also the call to stay at home. Further, they underline the importance of closely tracking genetic mutations during virus outbreaks to facilitate crisis response.

Johan Rockström joins Daimler’s Advisory Board for Corporate Responsibility

Spring 2020 – Daimler, the automobile manufacturer, known for premium cars and the largest heavy vehicle producer in the world in the world, has called upon Johan Rockström to join its Advisory Board for Integrity and Corporate Responsibility. As one of nine independent members from science, civic organizations, and business, the Director of the Potsdam Institute for Climate Impact Research (PIK) will offer his critical thinking to the change process the car industry is facing.

Climate disasters increase risks of armed conflicts: new evidence

02/04/2020 - The risk for violent clashes increases after weather extremes such as droughts or floods hit people in vulnerable countries, an international team of scientists finds. Vulnerable countries are characterized by a large population, political exclusion of particular ethnic groups, and low development. The study combines global statistical analysis, observation data and regional case study assessments to yield new evidence for policy-makers.

Homeschooling: Researchers support online learning with explanatory videos

01/04/2020 - As schools are closed due to the corona crisis, the Potsdam Institute offers special online lectures for children and young people as a small contribution to learning at home. Explanatory videos conveying some basics about the climate are intended to provide inspiration for the many hours spent at the desk at home instead of in the classroom. The films are created by the scientists themselves - a little handout from the research team in home office to young viewers in home schooling.

From forests to peatlands: once lost, ecosystem carbon stores might not be recoverable in time

01/04/2020 - Huge amounts of carbon are stored in ecosystems like peatlands, mangroves, old-growth forests and marshes, which play a crucial role for our Earth system. Once released due to land use changes like the conversion to agriculture, this carbon could be not be recoverable within time to avoid global warming beyond 1,5 degrees Celsius, a new study led by Conservation International shows. Johan Rockström, Director of the Potsdam Institute for Climate Impact Research, is one of the authors. These land areas should be particularly protected, the researchers argue in the journal Nature Climate Change.

Regional nuclear war a risk for global food security

16/03/2020 - Even a limited nuclear war could have dangerous effects far beyond the region that is fatally hit. It would result in global cooling that substantially reduces agricultural production in the world’s main breadbasket regions, from the US, to Europe, Russia, and China. The particular effect on food security worldwide including trade responses has now for the first time been revealed by an international team of scientists in a study based on advanced computer simulations. The sudden temperature reduction would lead to a food system shock unprecedented in documented history. It would not undo long-term climate change from fossil fuels use, though – after about a decade of cooling, global warming would surge again.

Corona crisis: PIK switches to home office

13.03.2020 - To help containing the Corona epidemic, the Potsdam Institute for Climate Impact Research introduces mandatory home office work for all employees except those whose work cannot be done by remote access. All events and meetings are cancelled and no business trips are allowed. This is not an easy step, said PIK's Directors Ottmar Edenhofer and Johan Rockström. "Yet precaution is the overall guiding principle," the Directors highlight in a message to the whole staff.

Managing forests in the 21st century: Experts gather at PIK

06/03/2020 - Forests all over Europe feel the pressure from ongoing climate change, yet at the same time provide a wide range of resources to mitigate and to adapt to global warming. Smartly targeted management of forest is thus key, finds an international gathering of leading experts hosted by the Potsdam Institute for Climate Impact Research this week. More than 100 scientists from institutions ranging from German National Park Berchtesgarden to US Oregon State University and Russian Higher School of Economics participated in three days of intense discussions and a field trip, more than 30 additional participants joined via videolink.

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