The+world+of+7+billion

media type="youtube" key="X79L8hk_SwI" height="315" width="560"media type="youtube" key="iOUf6Zqiwjk" height="315" width="560" media type="youtube" key="XKdPsm0S3VU" height="315" width="560" __**The world of 7 billion:**__ Links: [] [] [|BBC 7 billion] [|7 billion day.pptx]