Jackson had a long-standing history of releasing socially conscious material. Earth song dealt with the environmental issues and animals.

read more on wikipedia :
http://en.wikipedia.org/wiki/Earth_Song 



Earth Song Official Music Video :





LIVE Wetten Dass 1995 :



LIVE in Munich :




LIVE in Brunei :




Brit Award 1996 :




World Music Award 1996 :




This Is It :



Lyrics