Worldleadersfromnearly200countrieshavesignedanimportant...
問題詳情:Worldleadersfromnearly200countrieshavesignedanimportanthistoricagreementtofightglobalclimatechange.Theagreementcameaftertwoweeksoftalksbetweentheleadersatthe21stConferenceinParis,France.Aspart...