‘Every tenth of a degree matters’: UN climate report is a call for action, not despair The latest report by the UN’s climate advisory panel has once again highlighted the need for urgent action against human-induced climate change, noting that the tools to prevent climate catastrophe already exist. While hopes of limiting global warming at 1.5C are rapidly fading, climate experts stress that “every additional tenth of a degree matters” to mitigate the already dire consequences of our planet warming.