greenhouse gases
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Health Impacts of Climate Change
The debate about whether climate change is a real phenomenon – and whether humankind is responsible for the alarming rise in greenhouse gas (GHG) levels – is largely a thing of the past. Three decades of research has put forth what most scientists consider incontrovertible proof that escalating levels of carbon dioxide (CO2), methane (CH4), and nitrous oxide (N2O) are a direct result of human activities ranging from deforestation to emissions from energy production, industry, and agriculture.