However you plan to observe the April holiday, make sure to brush up on your planetary proficiency with this fun and fascinating Earth Day quiz. Test your knowledge on all things related to the ...

From conservation to wildlife to politics, test your environmental and historical knowledge with this Earth Day quiz with trivia questions and answers. Question: Who is credited with founding ...

National Geographic questions what lies ahead for the planet—will it be saved or lost? So far, it’s impossible to predict. Change is coming for every corner of the planet. Explore what your ...

New research led by a York University professor sheds light on the earliest days of Earth's formation and potentially calls ...

This is the third Mother Earth Day celebrated within the UN Decade on Ecosystem Restoration. Ecosystems support all life on Earth. The healthier our ecosystems are, the healthier the planet - and ...

World Earth Day is a celebration that takes place every year on the 22nd of April. The first World Earth day began in 1970. On this day, many people raise awareness of environmental issues and ...

Learn about Earth Day founder Gaylord Nelson (1916–2005) and how environmental disasters of his day inspired the creation of Earth Day in 1970. On December 7, 1972, Apollo 17 astronauts captured a now ...