Which type of trade barrier limits the number of goods that can be imported in a year?
A. Tariff
B. Quota
C. Subsidy
D. Embargo

Throughout the Asia-Pacific region, rapid economic and population growth creates serious social consequences from environmental problems. The Asian economic crisis has aggravated this trend. Economic policies have encouraged growth in some sectors while ignoring damage to others. Further, little regard is given to sustainability of the exploited resources. The social costs in terms of health, economic efficiency, and cultural dislocation are immediate, while the long-term costs of environmental rehabilitation are humbling. Left unbridled, environmental damage can lead to economic decline.
Below are the 6 major environmental challenges in Asia:Urban Excess Deforestation/ WarmingAir Pollution