1. Via Flickr -- click here.
2. Via Facebook -- click here.
3. Via an online form and email -- click here.
For rules, terms and conditions, click here. Original digital photos that feature the natural wonders of the lands, waters, plants, animals, and people around the world in nature are all eligible for the competition. The deadline for submitting entries is 11:59 pm Pacific Standard Time on September 12, 2011. Entrants may submit as many photos as they'd like!