Katrine Bragg, The Economist's environment editor and climate change expert, joins Adam Roberts, Midwest correspondent, who tackles social inequalities in Chicago. They explore the critical need for negative carbon emissions technologies, emphasizing that merely cutting emissions isn't enough. The conversation shifts to a troubling train journey on Chicago's Red Line, revealing stark disparities in life expectancy linked to socio-economic divides. They also discuss the cultural significance of tea in Turkey, highlighting challenges in adopting organic farming amidst economic pressures.