By Gloria Dickie and Dasha Afanasieva LONDON (Reuters) – Dozens of international scientists have arrived each year since 2000 at Russia’s remote Northeast Science Station on the Kolyma River in Siberia to study climate change in the Arctic environment. Not this year, though. Following Russia’s invasion of Ukraine, Germany’s Max Planck Institute for Biogeochemistry froze the funding used to pay personnel at the research station and to maintain instruments that measure how quickly climate change is thawing Arctic permafrost and how much methane – a potent planet-warming gas – is being released. …