Liên kết ngoài Giờ Trái Đất

Tiếng Anh

Wikinews có tin tức ngoại ngữ liên quan đến bài: Businesses and individuals worldwide turn lights off as part of Earth Hour 2008

Tiếng Việt

Wikinews có tin tức ngoại ngữ liên quan đến bài: Millions to turn off lights for Earth Hour tonight, 26/3/2011
Wikinews có tin tức ngoại ngữ liên quan đến bài: Businesses and individuals worldwide to turn lights off as part of Earth Hour 2009
Wikinews có tin tức ngoại ngữ liên quan đến bài: Businesses and individuals worldwide turn lights off as part of Earth Hour 2008

Tài liệu tham khảo

WikiPedia: Giờ Trái Đất http://www.go-green.ae/greenstory_view.php?storyid... http://www.hsbc.ae/1/2/personal/earth-hour http://www.business-standard.com/article/current-a... http://www.cbre.com/about/media-center/2013/03/25/... http://news.hiltonworldwide.com/index.cfm/news/hil... http://www.ikea.com/ms/en_CN/campaigns/earthhour/2... http://www.newscenter.philips.com/me_en/standard/n... http://www.sustainablebrands.com/news_and_views/ma... http://www.thestar.com/News/GTA/article/594450 http://www.thisweekbangalore.com/woodland-brings-e...