California Academy of Sciences Nature Photography

The California Academy of Sciences sponsors an annual competition of nature photography about which they say:

Our annual BigPicture: Natural World Photography Competition seeks to inspire environmental stewardship through the power of imagery. Professional-level photographers are encouraged to submit work that celebrates and illustrates the diversity of life on Earth.

The 2015 winners are here and the 2016 winners here.

The 2015 winners are also available here as a downloadable PowerPoint slideshow.

Thanks to Fraser Campbell for sharing this with the club.