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13 June 2017

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The ozone hole affects the rainfall in the tropical South Pacific

The ozone hole that opens each spring in the stratosphere over Antarctica has farther-reaching consequences than previously thought. A study of the climatology group now finds that even rainfall in the tropical South Pacific Islands is affected. During the period of the largest Antarctic ozone loss, from the 1960s to the 1990s, rainfall increased in French Polynesia in spring and early summer. The region lies near the tip of the so-called South Pacific Convergenze Zone, one of the most intense rain bands on Earth. Using climate models that simulate stratospheric ozone chemistry as well as observations covering the past 60 years, the researchers demonstrated that the ozone hole leads to a high-pressure ridge off New Zealand, from where a wave-like circulation pattern stretches across the South Pacific and affects the rain band.

Link to the publication

Link to the press release: ‹Neue Zürcher Zeitung NZZ› 13 June 2017
‹Der Bund› 13 June 2017

2 June 2017

Scientists will sit at the same table as heads of state

In 2019, the UN will publish its Global Sustainable Development Report (GSDR). Peter Messerli, a geographer and professor of sustainability from Bern, is one of the 15 members of its independent group of scientists, and has been appointed its co-chair.

Interview with This Ruthishauser in ‹Horizons› (PDF, 74KB)

12 January 2017

Peter Messerli named co-chair of UN Global Sustainable Development Report

Peter MesserliPeter Messerli, Professor of Sustainable Development at the University of Bern, has been selected as co-chair to lead the group of scientific experts tasked with drafting the upcoming UN Global Sustainable Development Report. Former UN Secretary-General Ban Ki-moon appointed Peter Messerli and Endah Murniningtyas from Indonesia to serve as co-chairs. The first report is slated for release in 2019.