|
climate change
→ pose
→ significant challenge
|
8
|
|
climate change
→ pose
→ serious challenge
|
7
|
|
climate change
→ pose
→ significant challenges
|
7
|
|
climate change
→ pose
→ many challenges
|
5
|
|
climate change
→ pose
→ great challenges
|
5
|
|
climate change
→ pose
→ serious challenges
|
5
|
|
climate change
→ pose
→ major challenges
|
4
|
|
climate change
→ create
→ significant challenges
|
4
|
|
climate change
→ present
→ major challenge
|
4
|
|
climate change
→ present
→ significant challenge
|
3
|
|
climate change
→ present
→ major challenges
|
3
|