http://report.ipcc.ch/sr15/pdf/sr15_spm_final.pdf
https://www.letemps.ch/opinions/faute-faire-lettre-ouverte-compatriotes-russes-suisses
https://www.ips-journal.eu/topics/economy-and-ecology/how-to-prevent-humanitarian-crises-6665/
http://www.dw.com/en/german-election-ballot-box-closed-to-78-million-residents/a-40359141?utm_source=POLITICO.EU&utm_campaign=faf83bd02a-EMAIL_CAMPAIGN_2017_09_11&utm_medium=email&utm_term=0_10959edeb5-faf83bd02a-189647205