Select an IPCC scenario using the drop-down menu under the power plant labeled Anthropogenic Carbon Output. Run each scenario using this RUN button: DE Q4.8. What is the expected concentration of atmospheric CO2 (ppm) in 2100 for each scenario? (Click the graph line to see precise values.) Click Check Answer for feedback. Check Answer Increasing Affluence 450 Regionality 500 DE Green Growth 234 Atmospheric Above Ground Soil Surface Ocean Deep Ocean CO2 (ppm) 850₁ 750 650 550 450 350 0 2000 Carbon Pool Size (Pg) Atmospheric CO₂ Concentration YEAR 2000 40000 2100

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Environmental health and hazards

An organism's environment is the environment in which it lives and has an impact on its well-being. The World Health Organization (WHO) defines environmental health as "those aspects of public health, such as quality of life, that are influenced by physical, chemical, biological, social, and psychosocial components in the environment." Environmental health is concerned with both natural and man-made settings in order to enhance public health. Environmental science, occupational medicine, toxicology, and epidemiology are the key subdisciplines of environmental health.