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