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CO2 practitioners meet modelers

CO2 practitioners meet modelers

03/24/2016 - PIK scientists gathered for a one-day-conference this week to discuss limits and possibilities of CO2 fertilization both in models and observations in order to achieve the best scientific results. As special guests, they welcomed two experimentalists in the field: Bruce Kimball from the Arid-Land Agricultural Research Center Phoenix, Maricopa, Arizona, who is also a longstanding companion in CO2 research, and Onno Muller from the Institute of Bio- and Geosciences, Forschungszentrum Jülich as acknowledged expert in phenotyping. Their input was complemented by contributions from PIK director Hans Joachim Schellnhuber and researchers Hermann Lotze-Campen, Katja Frieler, Christoph Müller and Frank Wechsung.

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"The closed society is the antithesis of science": Potsdam research institutions on the refugee issue

"The closed society is the antithesis of science": Potsdam research institutions on the refugee issue

03/16/2016 - Potsdam's scientific institutions published an open letter for a tolerant society, rejecting all expressions of hatred, violence, and intolerance towards people on the basis of their origins, appearance, religion, or other grounds. They position themselves in the ongoing discussion about refugees in the state of Brandenburg, and in Germany.

"The closed society is the antithesis of science": Potsdam research institutions on the refugee issue - Read More…

Scientists and policy-makers discuss Planetary Boundaries

Scientists and policy-makers discuss Planetary Boundaries

03/04/2016 - How can humankind limit global environmental change and stay within a safe operating space for development? This question is an issue both for scientists investigating environmental guardrails as well as for policy makers looking for feasible pathways. The Potsdam Institute for Climate Impact Research (PIK) together with Berlin-based science policy thinktank ”adelphi research” and the Stockholm Environment Institute brought together leading international scientists and German policymakers in a workshop to discuss opportunities and limits for an operationalization of the Planetary Boundaries framework for national governance. The role of policies for increasing resource efficiency were a key issue throughout the meeting.

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Future Earth Summit in Berlin

Future Earth Summit in Berlin

02/01/2016 - Researchers from the natural sciences, humanities, social sciences and engineering came together in Berlin last week with stakeholders from policy, business and civil society at the “Future Earth Summit”. The second major conference of German sustainability research focused on topics like Earth system modeling and social macrodynamics or science and society and discussed international sustainability science in the light of the Paris agreement and other recent developments.

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Research Days: Potsdam post Paris

Research Days: Potsdam post Paris

01/28/2016 - All members of the Potsdam Institute for Climate Impact Research gathered this week to discuss current and future research – and the outcomes of COP21 in Paris. Every year, the so called Research Days are an opportunity to present the various scientific activities of the institute, and to debate the challenges ahead.

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Tracing observed climate impacts to greenhouse gas emissions

Tracing observed climate impacts to greenhouse gas emissions

01/28/2016 - Roughly two-thirds of observed climate change impacts related to atmospheric and ocean temperature over the past 40 years can be confidently attributed to human-generated greenhouse gas emissions, an international team of scientists found. For the impacts observed not just on regional but on continental scales, even three quarters are mainly due to our burning of burning fossil fuels. Evidence connecting changes in precipitation and their respective impacts to human influence is still weak, but is expected to grow.

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Leibniz President Kleiner visits PIK

Leibniz President Kleiner visits PIK

01/27/2016 - The president of Leibniz Association, Matthias Kleiner, visited the Potsdam Institute for Climate Impact Research (PIK) for an exchange on current projects and developments. Among other topics the focus of the meetings was also on research strategies. Kleiner met with PIK Director Hans Joachim Schellnhuber as well as with the Chairs of PIK’s four research domains.

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New top German IPCC scientist visits PIK

New top German IPCC scientist visits PIK

2016/01/25 - The newly elected top German scientist in the Intergovernmental Panel on Climate Change (IPCC), Hans-Otto Pörtner, visited the Potsdam Institute (PIK) this week for an intense exchange about challenges of the next climate science assessment report. It will be the sixth of its kind and due in 2022. Pörtner, a senior biologist at the Alfred Wegener Institute for Polar and Marine Research in Bremerhaven, heads the part of the report assessing climate change impacts. This is a core research issue of PIK. What is more, for half a decade PIK’s chief economist was head of the IPCC’s working group on mitigation.

New top German IPCC scientist visits PIK - Read More…

US Ambassador discusses Paris Agreement in Potsdam

US Ambassador discusses Paris Agreement in Potsdam

01/14/2016 - The Ambassador of the United States to Germany, John B. Emerson, visited the Potsdam Institute for Climate Impact Research (PIK) this week to discuss the consequences of the recent UN summit in Paris. Following a meeting behind closed doors with PIK director John Schellnhuber, the high-ranking guest gave a talk to researchers and students. Both the Ambassador and the PIK director highlighted the urgency of achieving further progress towards effective climate stabilization.

US Ambassador discusses Paris Agreement in Potsdam - Read More…

Climate macroscope: new software for future research

Climate macroscope: new software for future research

12/23/2015 - Researchers have developed a new open source Python-based software package for examining climate change and other data-heavy networks on a macroscopic level.

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Historic climate agreement: “The spirits of Paris have defeated the ghosts of Copenhagen"

Historic climate agreement: “The spirits of Paris have defeated the ghosts of Copenhagen"

12/14/2015 - 195 states worldwide adopted a breakthrough climate agreement at the UN climate summit in Paris, COP21. Leading scientists from the Potsdam Institute for Climate Impact Research actively participated in the historic meeting that put the world on the path to limiting global warming to well below 2 degrees Celsius and bring down greenhouse-gas emissions to net zero within a few decades. While implementing the treaty will be an enormous challenge, for the first time ever climate stabilization and hence limiting climate risks including weather extremes and sea-level rise comes into reach. It is the beginning, not the end, of a process that now requires rapid implementation strong policy instruments that live up to the aspirations of the agreement.

Historic climate agreement: “The spirits of Paris have defeated the ghosts of Copenhagen" - Read More…

Nobel Laureates together with Schellnhuber meet French President

Nobel Laureates together with Schellnhuber meet French President

12/07/2015 - More than 70 recipients of the Nobel Prize urgently warn of the consequences of climate change. They support a declaration that has been handed over to the President of France François Hollande at the Élysée Palace in Paris today by the Physics Nobel Laureates Serge Haroche and Claude Cohen-Tannoudji, together with Hans Joachim Schellnhuber, Director of the Potsdam Institute for Climate Impact Research (PIK). “The nations of the world must take the opportunity at the United Nations Climate Change Conference in Paris to take decisive action to limit future global emissions,” the Mainau Declaration on Climate Change states. It is an outcome of the 65th Lindau Nobel Laureate Meeting on Mainau Island in Lake Constance, Germany, in July.

Nobel Laureates together with Schellnhuber meet French President - Read More…

Potsdam meets China

Potsdam meets China

12/04/2015 - China is an important participant at the ongoing climate summit. It is one of the countries with the highest CO2 emissions and could be highly affected by changes in the climate system. The Potsdam Institute for Climate Impact Research (PIK) collaborates on several levels with Chinese partners - Chinese delegations visit PIK regularly and PIK scientists travel to China.

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Science to Paris: The Potsdam Institute at the UN climate summit COP21

Science to Paris: The Potsdam Institute at the UN climate summit COP21

12/01/2015 - Scientists of the Potsdam Institute for Climate Impact Research (PIK) actively participate in the Paris “Conference of the Parties” COP21. Director John Schellnhuber for instance will speak at a side-event of the Vatican as well as at one with the EU Research, Science and Innovation Commissioner. Ottmar Edenhofer, chief economist of PIK, talks at an event with the EU Finance Commissioner as well as meetings with representatives of the World Trade Organisation and the OECD – see below. Both Schellnhuber and Edenhofer will be present in Paris during all of the second week. Other leading scientists, including Anders Levermann, Elmar Kriegler or Ricarda Winkelmann, will also give talks and participate in side events and informal meetings.

Science to Paris: The Potsdam Institute at the UN climate summit COP21 - Read More…

Unprecedented number of briefings in run-up of climate summit

Unprecedented number of briefings in run-up of climate summit

11/16/2015 - In the run-up of the much anticipated UN climate summit in Paris, scientists of the Potsdam Institute for Climate Impact Research (PIK) are involved in an unprecedented number of briefings and public events. In this crucial time, stakeholders and media increasingly ask for the perspective of science on the state of the Earth and perspectives for climate policy. Yet PIK scientists also try to directly inform interested citizens. It is impossible to provide a complete list of all such outreach efforts, but here are some noteworthy examples.

Unprecedented number of briefings in run-up of climate summit - Read More…

Making sense of emission reduction pledges: modeling experts gather in Potsdam

Making sense of emission reduction pledges: modeling experts gather in Potsdam

11/16/2015 - Economists and scientists this week come from all over the world to Potsdam for the annual meeting of the Integrated Assessment Modeling Consortium (IAMC). In the run-up of the UN climate summit in Paris, one focus of the experts’ discussions will be the greenhouse gas emission reduction pledges of governments, the so-called INDCs. To assess their real-world effects is crucial for mapping out policy options for and beyond the summit. Other issues to be debated include the modeling of climate impacts and sustainable development implications, the use of scenarios and the evaluation of model analysis.

Making sense of emission reduction pledges: modeling experts gather in Potsdam - Read More…

Edenhofer: A price for CO2 instead of emission targets at the World Climate Summit?

Edenhofer: A price for CO2 instead of emission targets at the World Climate Summit?

10.11.2015 - A global price target for CO2 might be a more sensible objective for the COP21 Climate Conference instead of the currently discussed emission volume targets. This is what Ottmar Edenhofer, chief economist of the Potsdam Institute for Climate Impact Research, is stating together with the renowned economic researcher Axel Ockenfels from Cologne, in a major guest article in the influential German newspaper Frankfurter Allgemeine Zeitung only weeks before the much awaited UN climate conference in Paris. Such a price could provide incentives to invest in alternative technologies and to reduce greenhouse-gas emissions.

Edenhofer: A price for CO2 instead of emission targets at the World Climate Summit? - Read More…

Climate change may affect global food costs - and vulnerability to hunger

Climate change may affect global food costs - and vulnerability to hunger

11/09/2015 - Unabated man-made climate change would likely increase the risk of hunger through rising food costs, a paper by the Potsdam Institute for Climate Change Impact (PIK) shows. The findings contribute to a major World Bank Report now published. The Potsdam paper investigates three key regions vulnerable to hunger – Middle East and North Africa, South Asia, and Sub-Saharan Africa – and shows that each region faces severe problems already by 2030, but that the structure of the problems strongly differs. The risks substantially increase over time if greenhouse gas emissions are not reduced, according to the computer simulations.

Climate change may affect global food costs - and vulnerability to hunger - Read More…

A visit from the White House: US science advisor meets Schellnhuber

A visit from the White House: US science advisor meets Schellnhuber

10/22/2015 - President Obama’s Science Advisor John Holdren visited the Potsdam-Institute for Climate Impact Research to discuss climate change issues with its director John Schellnhuber. Holdren is Director of the White House Office of Science and Technology Policy and Assistant to the President for Science and Technology Policy . Before taking office, he was a Professor at Harvard University; like Schellnhuber, he is a physicist.

A visit from the White House: US science advisor meets Schellnhuber - Read More…

Longterm Potsdam measurements confirm aerosol effect

Longterm Potsdam measurements confirm aerosol effect

10/15/2015 - Longterm measurements from the Potsdam weather station are confirming assumptions about the effects of greenhouse-gases and aerosols in the atmosphere used in current computer simulations of the climate system. Tiny particles in the atmosphere, emitted for instance from coal power plants, reduce the amount of solar radiation that hits the ground - hence they have some cooling effect. This effect is correctly represented in climate models, shows a new analysis of weather data recorded in Potsdam since 1937. This series of continued measurements is one of the longest on Earth.

Longterm Potsdam measurements confirm aerosol effect - Read More…

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