Enviromental problems

1. acid rain

1.1. damages lakes and streams

1.2. harms forests

1.3. cause heath problems in people

2. Pollution

2.1. Air

2.2. water

3. Deforestation

3.1. Soil degradation and erosion

3.2. Changes in climatic conditions

3.3. detruction of natural

3.4. Destruction of a valuable sink for enviromental pollutants

4. Cimate change

4.1. Fossil fuels

4.2. sea level rise

4.3. Geenhouse gas

4.4. global warning