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  • groundwater pollution

    Groundwater pollution

    Groundwater pollution (also called groundwater contamination) occurs when pollutants are released to the ground and make their way down into groundwater.This type of water pollution can also occur naturally due to the presence of a minor and unwanted constituent, contaminant or impurity in the groundwater, in which case it is more likely referred to as contamination rather than pollution.

  • bioenergy and the challenge of the "circular economy"

    Bioenergy and the challenge of the "circular economy"

    Bioenergy and the challenge of the "circular economy" From global warming to the flow of migrants, today's the most important topics require a more and more global approach.

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    University of Namibia | UNAM Research | Publications

    2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1990 1989 1988 1987 1986 1985 1980 n.d. unpublished

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  • peace education 101 - peace curriculum, peace teaching

    Peace Education 101 - Peace curriculum, peace teaching

    Peace Education 101 . COM. World Peace Newsletter - The greatest thing in life is internal peace, external peace and global peace! Peace is the key ingredient to Happiness.

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    Sri Lanka

    The pre-history of Sri Lanka goes back 125,000 years and possibly even as far back as 500,000 years. The era spans the Palaeolithic, Mesolithic and early Iron Ages.Among the Paleolithic human settlements discovered in Sri Lanka, Pahiyangala (named after the Chinese traveller monk Faxian), which dates back to 37,000 BP, Batadombalena (28,500 BP) and Belilena (12,000 BP) are the most important.

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    November 2010 - Vasi Yogam | சிவசித்தன்

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