The Guardian looks back at 2023 and covers the work of scientists from US, Germany and Brazil showing the damage. NASA scientist James Hansen tells The Guardian that with the current stage of politics and inaction on climate change young people in the world need to take over. Scientists at the Japan Meteorological Agency measured temperatures at 0.53 degrees centigrade higher than the global average 1990 -2021. This was higher than the previous high reached in 2016 of 0.35 degrees centigrade. Over the long term the world is considered to be 1.2 degrees hotter than preindustrial times, by experts. Included is the report "Hothouse Earth" by the Potsdam Institute of Climate research and other experts on the speed of the global warming.