In 2021, Petro declared that he would be running in the 2022 elections.[62] In September 2021, Petro announced that he would retire from politics if his campaign were not to succeed, stating that he does not intend to be an "eternal candidate".[63] Petro’s campaign platform included promoting green energy over fossil fuels and a decrease in economic inequality.[64] He has promised to focus on climate change and reducing greenhouse gas emissions that cause it by ending fossil fuel exploration in Colombia.[64] He also pledged to raise taxes on the wealthiest 4,000 Colombians and said that neoliberalism would ultimately "destroy the country".