This year humanity is pumping 300 million metric tons more carbon dioxide into the air by burning fossil fuels than it did last year. This year the world is on track to put 37.4 billion metric tons of the main heat-trapping gas into the atmosphere. It’s a 0.8 per cent increase from 2023, according to Global Carbon Project, a group of scientists who track emissions. Several United Nations reports say the globe must cut emissions by 42 per cent by 2030 to to be in with a chance of limiting warming to the internationally agreed-upon threshold of 1.5C. Related World is already becoming dangerously…