A look at the winners, runners-up and honorable mentions from Art Wolfe's latest project, the Environmental Photography Invitational.

Known for his passionate advocacy for the environment, Wolfe created EPI as "an event for the advancement of photography as a unique medium, capable of bringing awareness and preservation to our environment through art."

Working with foundations, nonprofit organizations and industry-related businesses, EPI was able to award more than $10,000 in cash and merchandise to 30 different...