Assertion: desertification | /r/HasProperty | due
Facets:
value: to man's activity
type: CAUSE
value: to human impacts
type: CAUSE
value: primarily
type: DEGREE
Source sentences:
text: Unfortunately, although numerous scientists have claimed that desertification in China is primarily due to human impacts; there is surprisingly little unassailable evidence to support this claim.
text: Aubreville was quite clear in his conclusion that desertification in tropical Africa was due to man's activity, and that there had been no significant climatic change during the past thousand or more years.