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World Population hits 8 billion, creating many challenges

People eat street food as shoppers crowd a market in New Delhi, India, Saturday, Nov. 12, 2022. The world's population is projected to hit an estimated 8 billion people on Tuesday, Nov. 15, according to a United Nations projection. (AP Photo/Altaf Qadri) People eat street food as shoppers crowd a market in New Delhi, India, Saturday, Nov. 12, 2022. The world's population is projected to hit an estimated 8 billion people on Tuesday, Nov. 15, according to a United Nations projection. (AP Photo/Altaf Qadri) People eat street food as shoppers crowd a market in New Delhi, India, Saturday, Nov. 12, 2022. The world's population is projected to hit an estimated 8 billion people on Tuesday, Nov. 15, according to a United Nations projection. (AP Photo/Altaf Qadri) People eat street food as shoppers crowd a market in New Delhi, India, Saturday, Nov. 12, 2022. The world's population is projected to hit an estimated 8 billion people on Tuesday, Nov. 15, according to a United Nations projection. (AP Photo/Altaf Qadri) People eat street food as shoppers crowd a market in New Delhi, India, Saturday, Nov. 12, 2022. The world's population is projected to hit an estimated 8 billion people on Tuesday, Nov. 15, according to a United Nations projection. (AP Photo/Altaf Qadri) People eat street food as shoppers crowd a market in New Delhi, India, Saturday, Nov. 12, 2022. The world's population is projected to hit an estimated 8 billion people on Tuesday, Nov. 15, according to a United Nations projection. (AP Photo/Altaf Qadri) People eat street food as shoppers crowd a market in New Delhi, India, Saturday, Nov. 12, 2022. The world's population is projected to hit an estimated 8 billion people on Tuesday, Nov. 15, according to a United Nations projection. (AP Photo/Altaf Qadri) People eat street food as shoppers crowd a market in New Delhi, India, Saturday, Nov. 12, 2022. The world's population is projected to hit an estimated 8 billion people on Tuesday, Nov. 15, according to a United Nations projection. (AP Photo/Altaf Qadri) People eat street food as shoppers crowd a market in New Delhi, India, Saturday, Nov. 12, 2022. The world's population is projected to hit an estimated 8 billion people on Tuesday, Nov. 15, according to a United Nations projection. (AP Photo/Altaf Qadri) People eat street food as shoppers crowd a market in New Delhi, India, Saturday, Nov. 12, 2022. The world's population is projected to hit an estimated 8 billion people on Tuesday, Nov. 15, according to a United Nations projection. (AP Photo/Altaf Qadri) People eat street food as shoppers crowd a market in New Delhi, India, Saturday, Nov. 12, 2022. The world's population is projected to hit an estimated 8 billion people on Tuesday, Nov. 15, according to a United Nations projection. (AP Photo/Altaf Qadri) People eat street food as shoppers crowd a market in New Delhi, India, Saturday, Nov. 12, 2022. The world's population is projected to hit an estimated 8 billion people on Tuesday, Nov. 15, according to a United Nations projection. (AP Photo/Altaf Qadri) People eat street food as shoppers crowd a market in New Delhi, India, Saturday, Nov. 12, 2022. The world's population is projected to hit an estimated 8 billion people on Tuesday, Nov. 15, according to a United Nations projection. (AP Photo/Altaf Qadri) People eat street food as shoppers crowd a market in New Delhi, India, Saturday, Nov. 12, 2022. The world's population is projected to hit an estimated 8 billion people on Tuesday, Nov. 15, according to a United Nations projection. (AP Photo/Altaf Qadri) People eat street food as shoppers crowd a market in New Delhi, India, Saturday, Nov. 12, 2022. The world's population is projected to hit an estimated 8 billion people on Tuesday, Nov. 15, according to a United Nations projection. (AP Photo/Altaf Qadri) A family poses for photos at the Temple of Heaven in Beijing, Saturday, Nov. 12, 2022. The world's population is projected to hit an estimated 8 billion people on Tuesday, Nov. 15, according to a United Nations projection. (AP Photo/Mark Schiefelbein) Pakistani people shops in Lahore, Pakistan, Monday, Nov. 13, 2022. The world's population is projected to hit an estimated 8 billion people on Tuesday, Nov. 15, according to a United Nations projection. (AP Photo/K.M. Chaudary) People walk during rush hours in Lagos, Nigeria, Monday, Nov. 14, 2022. The world's population is projected to hit an estimated 8 billion people on Tuesday, Nov. 15, according to a United Nations projection. (AP Photo/Sunday Alamba) Runners cross the Verrazzano-Narrows Bridge at the start of the New York City Marathon in New York, Sunday, Nov. 6, 2022. The world's population is projected to hit an estimated 8 billion people on Tuesday, Nov. 15, according to a United Nations projection. (AP Photo/Seth Wenig) Indian commuters leave at Chhatrapati Shivaji Maharaj train terminus in Mumbai, India, Monday, Nov. 14, 2022. The world's population is projected to hit an estimated 8 billion people on Tuesday, Nov. 15, according to a United Nations projection. (AP Photo/Rafiq Maqbool) People enjoy the Ipanema beach, in Rio de Janeiro, Brazil, Sunday, Nov.13, 2022. The world's population is projected to hit an estimated 8 billion people on Tuesday, Nov. 15, according to a United Nations projection. (AP Photo/Bruna Prado) Pakistanis shops in a weekly pet market in Lahore, Pakistan, Monday, Nov. 13, 2022. The world's population is projected to hit an estimated 8 billion people on Tuesday, Nov. 15, according to a United Nations projection. (AP Photo/Fareed Khan) Commuters rush to catch their trains at a subway station during the morning rush hour in Beijing on Monday, Nov. 14, 2022. The world's population is projected to hit an estimated 8 billion people on Tuesday, Nov. 15, according to a United Nations projection. (AP Photo/Andy Wong) Motorists are stuck in the morning rush hour traffic in Jakarta, Indonesia, Monday, Nov. 14, 2022. The world's population is projected to hit an estimated 8 billion people on Tuesday, Nov. 15, according to a United Nations projection. (AP Photo/Tatan Syuflana) Commuters wearing face masks walk rush to catch their trains at a subway station during the morning rush hour in Beijing on Monday, Nov. 14, 2022. The world's population is projected to hit an estimated 8 billion people on Tuesday, Nov. 15, according to a United Nations projection. (AP Photo/Andy Wong) People eat street food as shoppers crowd a market in New Delhi, India, Saturday, Nov. 12, 2022. The world's population is projected to hit an estimated 8 billion people on Tuesday, Nov. 15, according to a United Nations projection. (AP Photo/Altaf Qadri) People walk during rush hours in Lagos, Nigeria, Monday, Nov. 14, 2022. The world's population is projected to hit an estimated 8 billion people on Tuesday, Nov. 15, according to a United Nations projection, with much of the growth coming from developing nations in Africa. (AP Photo/Sunday Alamba) People move through a market in Mumbai, India, Saturday, Nov. 12, 2022. The world's population is projected to hit an estimated 8 billion people on Tuesday, Nov. 15, according to a United Nations projection. (AP Photo/Rajanish Kakade) Indian commuters get off trains at the Church Gate railway station in Mumbai, India, Monday, Nov. 14, 2022. The world's population is projected to hit an estimated 8 billion people on Tuesday, Nov. 15, according to a United Nations projection. (AP Photo/Rafiq Maqbool) A family is silhouetted against the city lights while walking along a trail at the Griffith Park in Los Angeles, Monday, Nov. 14, 2022. The world's population is projected to hit an estimated 8 billion people on Tuesday, Nov. 15, according to a United Nations projection. (AP Photo/Jae C. Hong)