f5green.org – in general signifies
Refreshing the Farmers and Five Elements that forms the Universe (Land, Water, Wind, Fire & Space)
The significance of the logo goes like this
Refresh (Remember the F5 key in the computer keyboard?) & inclusiveness of the younger generation.
represents the all-encompassing Nature, which includes the Humankind and all other Species sharing the Universe and every activity that enhance the preservation of Bio-Diversity & Eco-System.
represents - Not-for-Profit
in total, stands for a Non-Profit Organization, that try to Refresh the Planet and Humankind in order to bring back a flourishing environment & life-style for the benefit of all species sharing the universe for their living.