Bottom of the stratosphere
Answer:
Vegetation cover.
Explanation:
Planting vegetation over the mined area is the best solution that provide the largest benefits to society and the environment with low cost as compared to other solutions for reclamation such as refilling the land with soil and filled water to make a lake. Vegetation over mined area clean the environment as well as provides timber in few years which is used for making different products. So vegetation is the best solution for reclamation of mined area.
Explanation:
The UN Framework Convention on Climate Change noted that Asia's large population, the frequency of natural disasters in the region, and a sometimes chaotic process of urbanisation, with population relocation to coastal cities, as some of the factors that make Asia especially vulnerable to the risk of climate change.
I think that's wrong but I tried to help tho :)
Climate changes, loss of biodiversity, acidification and forest degradation I think.