Thorough the framework of theories analyzing globalization and education, this paper focuses on the intersection among globalization, the environment and education. This paper critically analyzes how globalization could affect environmental devastation, and explore the role of pedagogies that could foster planetary citizenship by exposing hegemonic forces that oppress the Earth. Planetary citizenship considers the earth as part of human beings that need to be cherished. However, neoliberal economic policies are causing environmental deterioration focusing on market competition and profit making. One way to respond environmental degradation is to educate citizens in a way that could challenge such oppression and liberate the Earth. As a critical approach, ecopedagogy enables to educate people connecting environmental and social problems. The overall goal of this paper is to explore the link between globalization, the environment and education. The paper finally argues for the development of planetary citizens who treat the Earth as part and parcel of their life and live with it in harmony.