Wednesday, April 15, 2009
Yesterday NASA issued an invitation to vote online for the most important contribution the space agency has made to exploring Earth and improving the way we live on our home planet.
NASA is conducting the survey as part of its celebration of Earth Day. Vote now - the poll closes next Tuesday, April 21.
NASA has selected 10 candidates for consideration as the greatest achievements about planet Earth, including diagnosing Earth's ozone layer, predicting food shortages, and tracking ecosystems worldwide. Poll results will be announced on NASA's website on Earth Day, April 22.
To cast your votes, click here.
For more information about Earth Day and NASA, click here.