- Climate change 
- Global warming 
 - Global dimming 
 - Fossil fuels 
 - Sea level rise 
 - Greenhouse gas 
 - Ocean acidification 
 - Shutdown of thermohaline circulation 
 - Environmental impact of the coal industry 
 - Urban Heat Islands
  
 - Conservation 
- Species extinction Pollinator decline 
 - Coral bleaching 
 - Holocene extinction 
 - Invasive species 
 - Poaching 
 - Endangered species
  
 - Energy 
- Energy conservation 
 - Renewable energy 
 - Efficient energy use 
 - Renewable energy commercialization 
 - Environmental impact of the coal industry 
 - Environmental impact of hydraulic fracturing
  
 - Environmental degradation 
- Eutrophication 
 - Habitat destruction 
 -  Invasive species
  
 - Environmental health 
- Air quality 
 - Asthma 
 - Environmental impact of the coal industry 
 - Electromagnetic fields 
 - Electromagnetic radiation and health 
 - Indoor air quality 
 - Lead poisoning 
 - Sick Building Syndrome 
 - Environmental impact of hydraulic fracturing
  
 - Genetic engineering 
- Genetic pollution 
 - Genetically modified food controversies
  
 - Intensive farming 
- Overgrazing 
 - Irrigation 
 - Monoculture 
 - Environmental effects of meat production 
 - Slash and burn 
 - Pesticide drift 
 - Plasticulture
  
 - Land degradation 
- Land pollution 
 - Desertification
  
 - Soil 
- Soil conservation 
 - Soil erosion 
 - Soil contamination 
 - Soil salination
  
 - Land use 
- Urban sprawl 
 - Habitat fragmentation 
 - Habitat destruction
  
 - Nanotechnology 
- Nanotoxicology 
 - Nanopollution
  
 - Nuclear issues 
- Nuclear fallout 
 - Nuclear meltdown 
 - Nuclear power 
 - Nuclear weapons 
 - Nuclear and radiation accidents 
 - Nuclear safety 
 - High-level radioactive waste management
  
 - Overpopulation 
Burial - Water crisis 
 - Overpopulation in companion animals 
 - Tragedy of the commons 
 - Gender Imbalance in Developing Countries 
 - Sub-replacement fertility levels in developed countries
  
 - Ozone depletion 
- CFC 
 - Biological effects of UV exposure
  
 - Pollution 
- Environmental impact of the coal industry 
 - Nonpoint source pollution 
 - Point source pollution 
 - Light pollution 
 - Noise pollution 
 - Visual pollution
  
  
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- Water pollution 
Environmental impact of the coal industry - Acid rain 
 - Eutrophication 
 - Marine pollution 
 - Ocean dumping 
 - Oil spills 
 - Thermal pollution 
 - Urban runoff 
 - Water crisis 
 - Marine debris 
 - Microplastics 
 - Ocean acidification 
 - Ship pollution 
 - Wastewater 
 - Fish kill 
 - Algal bloom 
 - Mercury in fish 
 - Environmental impact of hydraulic fracturing
  
 - Air pollution 
Environmental impact of the coal industry - Smog 
 - Tropospheric ozone 
 - Indoor air quality 
 - Volatile organic compound 
 - Atmospheric particulate matter
 - Environmental impact of hydraulic fracturing
  
 - Reservoirs 
- Environmental impacts of reservoirs
  
 - Resource depletion 
- Exploitation of natural resources 
 - Overdrafting
  
 - Consumerism 
- Consumer capitalism 
 - Planned obsolescence 
 - Over-consumption
  
 - Fishing 
- Blast fishing 
 - Bottom trawling 
 - Cyanide fishing 
 - Ghost nets 
 - Illegal, unreported and unregulated fishing 
 - Overfishing 
 - Shark finning 
 - Whaling
  
 - Logging 
- Clearcutting 
 - Deforestation 
 - Illegal logging
  
 - Mining 
- Acid mine drainage 
 - Environmental impact of hydraulic fracturing 
 - Mountaintop removal mining 
 - Slurry impoundments
  
 - Toxins 
- Chlorofluorocarbons 
 - DDT 
 - Endocrine disruptors 
 - Dioxin 
 - Toxic heavy metals 
 - Environmental impact of the coal industry 
 - Herbicides 
 - Pesticides 
 - Toxic waste 
 - PCB 
 - Bioaccumulation 
 - Biomagnification 
 - Environmental impact of hydraulic fracturing
  
 - Sustainability
- Economic 
 - Social 
 - Environmental 
 - Financial 
 - Cultural
  
 - Transportations
- Emissions 
 - Traffic 
 - Green Logistics
  
 - Waste 
- Electronic waste 
 - Litter 
 - Waste disposal incidents 
 - Marine debris 
 - Medical waste 
 - Landfill 
 - Leachate 
 - Environmental impact of the coal industry 
 - Incineration 
 - Great Pacific Garbage Patch 
 - Exporting of hazardous waste 
 - Environmental impact of hydraulic fracturing
  
  
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