ENO organised tree planting olympiads for schools 2014 – 2017.  Under this project, 6 287 617 were planted

2014

3541 registered schools from 114 countries planted 320 000 trees in the first ENO Treelympics. Top 10 schools, most active countries and ENO Treelympics delegation from Iran were invited to join the seminar and the award ceremony 17 – 20 Nov in Joensuu, Finland. There were 34 delegates from outside Finland,
from Belarus, Iran, Latvia, St Vincent & the Grenadines and Turkey.

2015

1256 registered schools from 86 countries planted 967 617 trees in ENO Treelympics 2015. The awards ceremony and seminar took place at Ozyegin University in Istanbul,Turkey.

2016

623 schools from 52 countries registered and planted in total 3,2 million trees in ENO Treelympics 2016.

2017

1040 schools from 67 countries registered and planted in total 1,8 million trees in ENO Treelympics 2017.