Petteri Taalas (IMAGE) The Hong Kong Polytechnic University Caption Prof Petteri Taalas, Secretary-General of WMO, speaks about pressing issues of climate change which are affecting every one of us in the globe. Credit The Hong Kong Polytechnic University Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.