At stuffy United Nations press conferences, in swanky auditoriums and at sticky socialist dance parties, one word was on everyone’s lips at this year’s Climate Week NYC: affordability.The US energy secretary, Chris Wright, said under that under President Trump the United States is “returning to commonsense energy policies that focus on affordability”. The former energy secretary, Jennifer Granholm, said Democrats must focus on renewable power’s ability to shrink power bills to win elections. And supporters of the almost certainly soon-to-be New York City mayor, Zohran Mamdani, trumpeted their efforts to link green policies with efforts to lower city residents’ rent and make transit affordable.The attempt to link everyday cost issues to global warming is not new. The concept was a key part of the Green New Deal, a progressive policy platform popularized by youth-led climate group the Sunrise Movement and New York representative Alexandria Ocasio-Cortez in 2018. Joe Biden picked up the framing in the White House, naming his signature green carbon-cutting policy the Inflation Reduction Act, from 2022.Now, as utility bills soar around the country, Americans on every part of the political spectrum are framing their energy and climate proposals as ways to protect ordinary people’s pocketbooks.More on that after the most important reads from the week.Essential reads