La nivel mondial, in tabloul actiunilor de constientizare a problemelor mediului inconjurator generate de activitatea umana, se remarca o Campanie unica in istorie, care in 2010 a reusit sa atinga cca 1 miliard 300 de milioane de oameni din 128 de tari – Earth Hour.
http://www.orapamantului.ro/
Earth Hour started in 2007 in Sydney, Australia when 2.2 million individuals and more than 2,000 businesses turned their lights off for one hour to take a stand against climate change. Only a year later and Earth Hour had become a global sustainability movement with more than 50 million people across 35 countries/territories participating
Source: ParadorestTV, youtube.com
