ewerefewpeopleontheearth,andnaturalresourcesseemedtobeunlimited.
eusingupournaturalresources,continuetodothis,humanlifeonearthwillnotsurvive.
Werealizethatiftoomanyfisharetakenfromthesea,,withmodernfishingmethods,owthatiftoomanytreesarecutdown,,ethatifriversarepollutedwithwasteproducts,,wasteproductsare
stillputintorivers.
Weknowthatifthepopulationcontinuestoriseatthepresentrate,inafewyears,therewon＇canwedotosolvetheseproblems?
Ifweeatmorevegetablesandlessmeat,forcropsfeedsfivetimesmorepeoplethanlandwhereanimalsarekept.
Ournaturalresourceswilllastlongerifwelearntorecyciethem.
Theworldpopulationwillnotrisesoquicklyifpeopleusemodernmethodsofbirthcontrol.
Finally,ifweeducatepeopletothinkabouttheproblemsweshallhaveabetterandcleanerplanetinthefuture.
