The Great Salt Lake provides for 10 million migratory birds every year, but if the lake continues to shrink, starving birds will line its shores and toxic dust storms will cloud Salt Lake City's skies.

Using nanotechnology and global tracking from the International Space Station, we follow migratory shorebirds: the world's greatest endurance athletes as they travel the ancient flyways of our planet, and meet the scientists, lawyers and citizen scientists collaborating to save them.