When the ocean rises...

We're not learning anything new here; there is indeed global warming leading to melting ice and thus rising oceans (a simplistic shortcut, but still).

This American WWF campaign is also very condensed, but it has the merit of getting straight to the point, and sometimes images speak louder than words.

Moreover, throughout the day, this "activist" billboard uses an awning that casts a shadow that moves upward during the day.

Translation: Sea levels are rising faster than ever