Earth: Your Future. Our Mission. OUR MISSION: "Global Climate Change: Vital Signs of the Planet" is a premiere resource for accurate and timely news and information about Earth's changing climate, along with current data and visualizations, presented from the unique perspective of NASA, the world's leading climate research agency. NASA'S MISSION: Drive advances in science, technology, and exploration to enhance knowledge, education, innovation, economic vitality, and stewardship of Earth. Find out more at NASA's Global Climate Change website, http://climate.nasa.gov/.