Atpresent,toomuchcarbondioxide(二氧化碳)makestheearthwarmer...
问题详情：Atpresent,toomuchcarbondioxide(二氧化碳)makestheearthwarmerandwarmerandcausesterribleeffecttohumanbeings.Tosaveourplanet,tosaveourselves,anewlifestylecalledlow-carbonlife(低碳生活)becomespopul...