Everyone knows NASA as the space exploration agency. It's easy to forget that exploring Earth is also exploring a celestial body. It is, in fact, the only planet we've ever been to — our Home Frontier.
For Earth Day 2011, NASA asks you to step back from the daily, incremental science results, and think about a larger question: What is inspiring to you about our home planet? What is important and vital about NASA's exploration of Earth? Then, go capture that in a short web video.
GCMD keywords can be found on the Internet with the following citation:
Olsen, L.M., G. Major, K. Shein, J. Scialdone, S. Ritz, T. Stevens, M. Morahan, A. Aleman, R. Vogel, S. Leicester, H. Weir, M. Meaux, S. Grebas, C.Solomon, M. Holland, T. Northcutt, R. A. Restrepo, R. Bilodeau, 2013. NASA/Global Change Master Directory (GCMD) Earth Science Keywords. Version 220.127.116.11.0