The world is expected to produce 3.40 billion tons of waste annually by 2050, a big jump from today's 2.01 billion tons. The report "What a Waste 2.0" looks at how countries and cities handle solid waste. It predicts how much waste we'll make in 2030 and 2050. The report also talks about the costs, revenues, and rules related to waste management. It covers different types of waste, how the public is told about waste, and how waste is managed by different groups.