Gwastraff niwclear: Gwahaniaeth rhwng fersiynau

Cynnwys wedi'i ddileu Cynnwys wedi'i ychwanegu
tacluso
BDim crynodeb golygu
Llinell 11:
[[Delwedd:Hanford Site sign.jpg|bawd|Arwydd ger y fynedfa i safle prif adweithyddion niwclear yr UDA yn [[Hanford]].]]
 
Yn [[Unol Daleithiau America]], mae dau dreuan o wastraff niwclear y wlad yn cael ei storistorio yn Hanford, ''"the most contaminated nuclear site in the United States"''<ref>{{cite news | last = Dininny | first = Shannon | title = ''U.S. to Assess the Harm from Hanford'' | agency = Associated Press | work = Seattle Post-Intelligencer | url=http://www.seattlepi.com/local/310247_hanford04.html | date = 3 Ebrill 2007 | accessdate = 29 Ionawr 2007}}</ref><ref name="Schneider">{{cite news | last = Schneider | first = Keith | title = ''Agreement for a Cleanup at Nuclear Site'' | work = The New York Times | date = 28 Chwefror 1989 | accessdate = 30 Ionawr 2008 | url = http://query.nytimes.com/gst/fullpage.html?res=950DE2DF1230F93BA15751C0A96F948260}}</ref>
 
==Gwastraff niwclear gwledydd Prydain==