Here's an Angel who really loves MaMa Nature!
As an Earth Hour global ambassador, Miranda Kerr pledges to make a difference by bribing fans with a free yoga class taught by the model herself.
All she's asking in return is for 500 fans to upload their own I Will If You Will proclamation through their YouTube accounts.
The I Will If You Will campaign spreads awareness by encouraging everyone to take a stand against energy waste with the commitment to turn off the lights between 8:30 and 9:30pm on Saturday, March 31.
Miranda hopes she reaches her goal, saying: