•Sut allwn ni atal y llygredd sy’n achosi i hinsawdd y byd newid?•Sut allwn ni ddiogelu fforestydd ac amgylcheddau naturiol eraill y byd?•Sut allwn ni wella bywydau pobl dlawd a newynog y byd?•Sut allwn ni ddod â heddwch i fannau trafferthus y byd?•Sut allwn ni ymdrin â therfysgaeth?
•How can we stop the pollution which is making the world’s climate change?•How can we protect the world’s forests and other natural environments?•How can we make life better for the world’s poor and hungry people?•How can we bring peace to the world’s trouble-spots?•How should we deal with terrorism?