This special edition of Our Planet for UNEA-2 is entitled 'The Environment Dimension of the 2030 Agenda'. In this issue, policy-makers, civil society leaders and distinguished stakeholders explore the environmental dimension of the 2030 Agenda for Sustainable Development. As always there are interesting articles from a long list of insightful contributors as well as an article from Environmental Champion and actor, Leonardo di Caprio. There are reflective words from UNEP's Executive Director Achim Steiner and a special piece on UNEA-2 from UN Secretary-General Ban Ki-moon