With an exclusive introduction by the acclaimed Harvard historian Naomi Oreskes, this is the complete text of the landmark encyclical letter by Pope Francis that has 'rocked the international community' (Time).

The only secular edition of the Pope's remarks, the Encyclical on Climate Change and Inequality is an essential document of our times - as significant a contribution to the movement for environmental justice and human rights as Rachel Carson's Silent Spring was 55 years ago.