|
1
|
pollution
|
United States
|
The United States has a strong focus on reducing emissions and protecting public health and the environment due to significant concern about pollution.
|
11
|
|
2
|
pollution
|
Western countries
|
Pollution is a major concern in Western countries, leading to tight regulations and efforts to reduce emissions and waste for environmental and public health protection.
|
7
|
|
3
|
pollution
|
developing countries
|
Industrial development in developing countries results in higher emissions and lower environmental standards.
|
3
|