human activity that causes carbon dioxide

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Sources of Greenhouse Gas Emissions US EPA

Human activities are responsible for almost all of the increase in greenhouse gases in the atmosphere over the last 150 years. 1 The largest source of greenhouse gas emissions from human activities in the United States is from burning fossil fuels for electricity heat and transportation.

Main sources of carbon dioxide emissions CO2 Human Emissions

Human activities such as the burning of oil coal and gas as well as deforestation are the primary cause of the increased carbon dioxide concentrations in the atmosphere. 87 percent of all humanproduced carbon dioxide emissions come from the burning of fossil fuels like coal natural gas and oil.

What human activities increase carbon dioxide in the

Even basic human activities breathing and digesting food produce CO2. It 39s a necessary compound in Earth 39s life cycles. Actively growing trees and plants absorb CO2 and with sunlight and water convert it to food. Trouble looms when we emit more CO2 than our flora can absorb. High carbon dioxide producing activities include: Advertisement.

Causes Facts Climate Change: Vital Signs of the Planet

On Earth human activities are changing the natural greenhouse. Over the last century the burning of fossil fuels like coal and oil has increased the concentration of atmospheric carbon dioxide CO 2 . This happens because the coal or oil burning process combines carbon with oxygen in the air to make CO 2. To a lesser extent the clearing of

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