Air pollution is a complex and multifaceted issue. Cleaning up our air can be a secret weapon in addressing some of society’s biggest challenges together, from public health to climate change, children’s development and sustainable economic growth. By working together, have a golden opportunity to make action on air pollution a transformative catalyst for a fairer, cleaner world. The right solutions and policies can tackle several of our biggest problems together. Governments, funders, businesses and campaigners across health, social welfare, education, mobility, energy, agriculture and cities need to work together quickly and effectively. In this publication, explore how tackling air pollution has benefits for five global issues: Climate, Public health, Childhood development, Social justice,Cities and mobility.