A nonprofit group is rescuing shells from restaurant trash bins and using them to rebuild oyster habitat in Long Island Sound. Read More

Nine states have set goals to conserve 30 percent of their land by 2030. Maryland got there first. Read More

The cancellations, set to apply to pending and active grants, also affect research into “forever chemicals” contaminating the food supply. Read More

Francis framed climate change as an urgent spiritual issue and helped push the world to take action. Read More

The pope and the president remade the Catholic church and American politics in their outsider images, but their relationship was defined by their remarkable clashes. Read More

The draft executive order would eliminate Africa operations and shut down bureaus working on democracy, human rights and refugee issues. Read More

As pontiff, Francis sought to build bridges with global corporate leaders, who sought audiences with him — but also to remind them about the need to look out for the…

We asked the experts, and they shared advice on how to be the best planetary citizen possible. Read More

El presidente dijo que la medida tenía como objetivo convertir a Estados Unidos en el “líder mundial dominante en productos del mar”. Read More

The plight of American honeybees drew a journalist away from his usual beat covering energy. Read More