In July, Hans-Peter Kohler presented in the UK House of Lords in an event organized by the UK All-Party Parliamentary Group on Population, Development and Reproductive Health (APPG). The event was a celebration of the 2015 World Population Day and the release of the 2015 APPG Report on Population Dynamics and the Sustainable Development Goals.
He is cited in the report (p. 35), which is now available: Population Dynamics and the Sustainable Development Goals