With deepest sadness we must share with you the news that Geert Jan van Oldenborgh, dear friend, amazing scientist, co-founder and co-leader of World Weather Attribution, husband and father, and a wonderful human, passed away on 12 October 2021.
Experiences from the World Weather Attribution collaboration: We attempt to answer the question whether and to what extent the likelihood and intensity of an observed event changed due to the anthropogenic modification of the Earth’s climate using a method called extreme event attribution.
New Research published in the Journal of Climate sheds new light on the long-standing question of how much of the observed changes in Earth’s temperature are due to natural ocean cycles. The short answer is, very little.
Devastating seasonal rains in Kenya have been reported to have displaced nearly 300,000 people and killed 158. Other countries in the region such as Rwanda and Somalia have also been seriously affected.
Twenty years ago, the trend in annual mean global mean temperature became detectable. Ten years ago, robust regional seasonal mean temperature trends similarly started to emerge. Nowadays, we can see trends even in weather extremes.