Theproblemofglobalwarminghascausedalotofpeopletotryt...
問題詳情: Theproblemofglobalwarminghascausedalotofpeopletotrytheirbesttoprotecttheenvironment.Unluckily,therearestillmanypeoplewhothinkitishardtogogreen.Infact,itisveryeasytobegreeninourdailylife....