COP29 so far: The good news and the bad news

Record high emissions of greenhouse gases from power plants, cars and boilers burning fossil fuels mean our planet is warming faster than at any time in half a billion years. This temperature spike appears to be accelerating further in 2023 and 2024, threatening sudden changes in the Earth system – such as the collapse of the Amazon rainforest – that could change our world. (By Jack Marley, The Conversation, more at phys.org)