ម៉ោងផែនដី៖ ភាពខុសគ្នារវាងកំណែនានា

'''ម៉ោងផែនដី''' ({{lang-en|Earth Hour}}) គឺជាព្រឹត្តិការណ៍សកលមួយដែលរៀបចំឡើងដោយ [[អង្គការ World Wide Fund for Nature]] (WWF) នៅចុងខែមិនារៀងរាល់ឆ្នាំ ក្នុងគោលបំណងលើកទឹកចិត្តដល់ពលរដ្ឋឲ្យធ្វើការបិទភ្លើងអគ្គិសនីរយៈពេល១ម៉ោង ដើម្បីធ្វើការផ្សពផ្សាយឲ្យបានទូលំទូលាយអំពីបញ្ហា[[បម្រែបម្រួលអាកាសធាតុ]]។ The event, conceived by WWF and ''[[Leo Burnett]]'', first took place in 2007, when 2.2 million residents of [[Sydney]] participated by turning off all non-essential lights.<ref>{{cite web |url=http://www.sydneymedia.com.au/html/3263-earth-hour---earth-always.asp |title=Earth Hour – Earth Always :: Sydney Media |date=2007-05-18 |publisher=City of [[Sydney]]}}</ref> Following Sydney's lead, many other cities around the world adopted the event in 2008.<ref>{{cite web|url=http://wwf.org.au/articles/now-is-the-hour-to-tackle-global-warming/ |title=Now is the hour to tackle global warming – WWF-Australia |publisher=Wwf.org.au |date= |accessdate=2010-03-25}}{{dead link|date=July 2012}}</ref><ref>[http://www.edinburgh.gov.uk/internet/city_living/events/CEC_earth_hour_2009 ]{{Dead link|date=March 2010}}</ref> Earth Hour 2013 will be held on March 23, 2013 from 8:30&nbsp;p.m. to 9:30&nbsp;p.m. during participants' local time.

[[File:Earth Hour 60+ Logo.jpg|thumb|Earth Hour's logo]]