Climate Change, Development & Aid, Environment, Featured, Global, Headlines, Small Island Developing States, Sustainable Development Goals, TerraViva United Nations Opinion Oxfam activists wearing masks of the leaders of the 2017 G7 summit. Credit: Picture Alliance/Pacific Press, Antonio Melita via Friedrich-Ebert-Stiftung (FES)  In 2016, US President Barack Obama joined the Paris Agreement in a moment of…