Extreme weather from climate change triggered hunger in nearly 100 million people and increased heat deaths by 68% in vulnerable populations worldwide as the world’s “fossil fuel addiction” degrades public health each year, doctors reported in a new study. Worldwide the burning of coal, oil, natural gas and biomass forms air pollution that kills 1.2 million people a year, including 11,800 in the United States, according to a report Tuesday in the prestigious medical journal Lancet. “Our health is at the mercy of fossil fuels,” said University College of London health and climate researcher Marina Romanello, executive director of the...