The world is more than 1 degree Celsius hotter than it was before industrialization began pumping fossil fuels into the atmosphere. This warming has fueled new deadly fires, strengthened hurricanes and displaced people. And many areas have warmed far more than the average.
Keeping the Earth's temperature rise to 1.5 degrees Celsius means making rapid, unprecedented changes in the way people use energy to eat, travel and live or we risk even more extreme weather and loss of species, a U.N. report said on Monday.