Dhanush's 3 releases on March 30, and he is on a nation-wide promotional tour. Before that the actor will lead 'Earth Hour 2012' in Tamil Nadu.


The actor has joined hands with World Wild lifeFund (WWF)and has pledged his support to the Earth Hour, a global campaign to raise awareness and inspire individual action towards a better environment.
Dhanush joins Sachin Tendulkar the master blaster who is WWF's national ambassador,to drive home the need for conserving energy in the interest of the environment.

The big switch off will be observed on 31st March 2012. This year, Earth Hour aims to inspire citizens to take action for cities by switching off lights to make their city the Earth Hour Champion.