Hari Bumi

Hari Bumi adolah hari pangamatan tantang bumi nan dicanangkan satiok taun pado tanggal 22 April sarato diparingati sacaro internasional. 
Hari Bumi dirancang untuak maningkekkan kasadaran jo apresiasi tahadok planet nan ditinggali manusia iko iyolah bumi. Dicanangkan dek Senator Amerika Serikat Gaylord Nelson pado tahun 1970 surang pangaja lingkuangan hiduik. Tangga iko batapekan pado musim semi di Northern Hemisphere (balahan Bumi utara) jo musim gugua di balahan Bumi selatan. PBB surang marayokan hari Bumi pado 20 Mei sabuah tradisi nan dicanangkan aktivis padamaian John McConnell pado taun 1969, adolah hari dimana matohari tapak di ateh khatulistiwa nan acok disabuik Ekuinoks Maret.

Kini hari bumi diparingati di lebih dari 175 nagara di dikoordinasi sacaro global dek Jaringan Hari Bumi (Earth Day Network).

Rujukan

Pauta lua 
 Sejarah Hari Bumi  Beritalingkungan.com
 Earth Day Network - Coordinating worldwide events for Earth Day.
 Earth Day Event Calendar  at the EnviroLink Network
 Celebrate Earth Day How to Celebrate Earth Day from WikiHow
 United States Earth Day  - The U.S. government's Earth Day site.
 Earth Day Canada - The Canadian Official Site for Earth Day
 Keep America Beautiful - Keep America Beautiful holds Earth Day cleanup activities in communities nationwide. The organization launched the famous Crying Indian campaign on Earth Day, 1971.
 Gurgaon Kids on EarthDay 
 Earth Day at Dhammakaya Temple
 Earth Day at The Nature Conservancy
 Earth Day Lesson Plans and Learning Resources
 Earth Day at The Nature Conservancy
 Hari Bumi 2010  - Situs News On The Net
 Hari Bumi 2012  - Situs Blog Modern
Equinoctal Earth Day
 International Earth Day  - The Official Site - Spring/Vernal Equinox

Hari PBB