U.S. allies have given a cautious welcome to President Donald Trump's announcement of a second summit meeting with North Korean leader Kim Jong-un, to be held in the Vietnamese city of Da Nang later this month. Trump's announcement, during his State of the Union address Tuesday, was one of the few highlights in a speech widely viewed around the world as light on foreign policy. Henry Ridgwell reports from London on the global reaction.
Weather extremes in 2018 included wildfires in California and Greece, drought in South Africa and floods in Kerala, India. Record levels of man-made greenhouse gas emissions, mainly from burning fossil fuels, trap ever more heat