The world is finally uniting to save the environment. On October 5, the United Nations announced that the threshold to enforce the 2015 Paris Climate Change Agreement had been met, paving the way for its implementation starting November 4. On Friday, October 28 came additional good news. After five years of negotiations, representatives of 24 nations and the European Union agreed on a landmark deal to establish the world’s largest marine protected area (MPA) in Antarctica.