Enviromental issues
by Uno Kask
1. Pollution
1.1. Water Pollution
1.1.1. Acid Rain
1.1.2. Wastewater
1.1.3. Marine pollution
1.1.4. Groundwater pollution
1.2. Air Pollution
1.2.1. Greenhouse gas
1.2.2. Harmful gases
1.3. Soil Pollution
1.3.1. Soil contamination
1.3.2. Electronic waste
1.3.3. Toxic waste
2. Human overpopulation
2.1. Shortage of resources
2.2. Explotation of natural resources
2.3. Waste
2.4. Urbanization
2.5. Biocapacity
2.6. Land degration
3. Climate change
3.1. Global warming
3.2. Rise of the sea level
3.3. Flooding
4. Natural Resource Depletion
4.1. Deforestation
4.2. Fishing
4.3. Mining
4.3.1. Fossil fuels will run out
4.3.2. Removal of mountains for mining