Peter Frankopan, The Silk Roads (2015) is a fascinating account of the flow of goods and ideas around the world.
Mike Davis, Planet of Slums (2005) is a superb look at slums around the world and the more than 1 billion people who live there. A brilliant book.
Gaia Vince, Adventures in the Anthropocene (2014) an account of the ecological devastation wreaked by humanity. An extraordinary read.
Raj Patel, A History of the World in Seven Cheap Things (2020) a brilliant history of capitalism and its imprint on the planet.