Istherelinkbetweenhumansandclimatechangeornot?Thisque...
问题详情： Istherelinkbetweenhumansandclimatechangeornot?Thisquestionwasfirststudiedintheearly1900s.Sincethen,manyscientistshavethoughtthatouractionsdomakeadifference.In1997,theKyotoProtocolexplained...