Thanks to Levgen for writing this blog post.
Below are some proposed social media messages. Please tweak as needed.
Twitter (@wikimedia/@wikipedia):
• Join Wiki Loves Earth 2015: help capture our natural heritage and protect our environment. (link)
Facebook/Google+:
• Do you like taking photos of nature? If you do, join Wiki Loves Earth 2015. Let the world discover natural sites near you, through your eyes. (link)
• Wiki Loves Earth 2015 starts on May 1st, and invites you to contribute photos about our natural heritage. This international photo contest is organized by the Wikimedia community, and anyone can participate. We hope you will join us! (link)