Arrange the following environmental movements in chronological order, from earliest to most recent:
(i) Earth Liberation Front (ELF)
(ii) Chipko Movement
(iii) Greenpeace
(iv) Sierra Club
1
(iv), (i), (iii), (ii)
2
(iv), (ii), (i), (iii)
3
(iv), (iii), (ii), (i)
4
(iv), (ii), (iii), (i)