@incollection{, C80BC4AC1A89720AC44CBF4E41EFAE3E , author={{Okorie ChristianaUzoaru} and {Dr Mbalisi OnyekaFestus} and {University Portharcourt}}, journal={{Global Journal of Human Social Sciences}}, journal={{GJHSS}}2249-460X0975-587X10.34257/GJHSS, address={Cambridge, United States}, publisher={Global Journals Organisation}1962939 } @book{b0, , title={{Intergenerational programmes. Public policy and research implications: An international perspective}} , author={{ A.-KBoström } and { AHatton-Yeo } and { TOhsako }} , editor={A. Hatton-Yeo & T. Ohsako} , year={2000} , address={Hamburg} UNESCO Institute of Education and Stoke-on-Trent: The Beth Foundation , note={A general assessment of IP initiatives in the countries involved} } @book{b1, , title={{The hidden connections}} , author={{ FCapra }} , year={2003} , address={London: Flamingo} } @book{b2, , title={{teia da vida: uma nova compreensão científica dos sistemas vivos. Trad. Newton Roberval Eichemberg}} , author={{ FACapra }} , year={1999} , publisher={Cultrix} , address={São Paulo} } @incollection{b3, , title={{Making environmental literacy a foundation for nursing advocacy}} , author={{ VFeeg }} , journal={{Pediatric Nursing}} 35 3 147 , year={2009} } @incollection{b4, , title={{A systematic perspective on intergenerational learning: Theoretical and empirical findings}} , author={{ Franz } and { AScheunpflug }} , journal={{Studia paedagogica}} 21 2 , year={2016} } @book{b5, , title={{What is eco-literacy}} , author={{ WGraham }} , year={2018} } @incollection{b6, , title={{Energy savings with trees}} , author={{ GMHeisler }} , journal={{Journal of Aboriculture}} 12 , year={1996} } @book{b7, , title={{Ultraviolet radiation in urban ecosystems with consideration of effects on human health}} , author={{ GMHeisler } and { RHGrant }} , year={2003} , note={Urban Ecosystem 4. 193-229} } @incollection{b8, , title={{Das generationenverhältnis. über das zusammenleben in familie und gesellschaft}} , author={{ ELiebau }} , journal={{Juventa}} , year={1997} } @incollection{b9, , title={{Environmental education and eco-literacy as tools of education for sustainable development}} , author={{ SLocke } and { ORRusso } and { CMontoya }} , journal={{Journal of Sustainability Education}} 4 1 , year={2013} } @book{b10, , title={{Environmental literacy, ecological literacy, eco-literacy: What do we mean and how did we get here?}} , author={{ BBMcbride } and { CABrewer } and { ARBerkowitz } and { WTBorrie }} , year={2013} , publisher={Ecosphere} 4 } @incollection{b11, , title={{Lernen im Austausch der Generationen: Praxissondierung und theoretische Reflexion zu Versuchen intergenerationeller Didaktik}} , author={{ AMeese }} , journal={{DIE Zeitschrift für Erwachsenenbildung}} 2 , year={2005} } @book{b12, , title={{Modelling of urban trees', effects on reducing human exposure to UV rardiation in Seoul, Korea. Urban Foresstry and Urban Greening}} , author={{ HRNa } and { G MHeisler } and { DJNowak } and { RHGrant }} , year={2014} 13 } @book{b13, , title={{}} , author={{ SNewman } and { AHatton-Yeo }} , year={2008} } @book{b14, , title={{Intergenerational learning and the contributions of older people}} , publisher={Ageing Horizons} 8 } @incollection{b15, , title={{Trees and forest effects on air quality and human health in the United States}} , author={{ DJNowak } and { SHirabayashi } and { AEllias } and { EGreenfield }} , journal={{Environmental Pollution}} 193 , year={2014} } @incollection{b16, , title={{Modeled PM:25 removal by tress in ten US cities and associated health effects}} , author={{ DJNowak } and { SHirabayashi } and { ABodire } and { RHochin }} , journal={{Environmental Pollution}} 178 , year={2013} } @book{b17, , title={{Being explicit about a sustainable future: The role of future education}} , author={{ CSmith }} , year={2007} , publisher={Australian Catholic University} } @incollection{b18, , title={{Environmental education and sustainability: a view from holistic ethics}} , author={{ SSterling }} , booktitle={{Fien}} Geelong , publisher={Deakin University Press} , year={1993. 1993} , note={Environmental education: a pathway to sustainability} } @incollection{b19, , title={{Changing notions of lifelong education and lifelong learning}} , author={{ ATuijnman } and { ABoström } and { K }} , journal={{International Review of Education}} 48 1-2 , year={2002} } @incollection{b20, , title={{A survey of the environmental education students in non-environmental majors at four year institutions in the USA}} , author={{ VWolfe }} , journal={{International Journal of Sustainability in Higher Education}} 2 , year={2001} }