According to the United States Environmental Protection Agency (US EPA), the largest contributors of greenhouse gases are:

1. Electricity Generation: This is the largest single source. Most of our electricity comes from burning fossil fuels like coal and natural gas, both of which release carbon dioxide - a major greenhouse gas - when burned.

2. Transportation: This is the second largest source of greenhouse gas emissions in the US. This includes emissions from cars, trucks, ships, trains, and planes. Most of these emissions come from burning gasoline and diesel fuel.

3. Industry: Industrial processes also contribute a significant amount of greenhouse gas emissions. This includes emissions from chemical reactions necessary to produce goods from raw materials, and from burning fossil fuels for heat and power.

4. Deforestation: While not as large a contributor as the others, deforestation is still a significant source of greenhouse gases. Trees absorb CO2 as they grow, so when they are cut down, that CO2 is released back into the atmosphere. Additionally, the decomposition or burning of the wood releases even more CO2.

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According to the United States Environmental Protection Agency (US EPA), the largest contributors of greenhouse gases are:

1. Electricity Generation: This is the largest single source. Most of our electricity comes from burning fossil fuels like coal and natural gas, both of which release carbon dioxide - a major greenhouse gas - when burned.

2. Transportation: This is the second largest source of greenhouse gas emissions in the US. This includes emissions from cars, trucks, ships, trains, and planes. Most of these emissions come from burning gasoline and diesel fuel.

3. Industry: Industrial processes also contribute a significant amount of greenhouse gas emissions. This includes emissions from chemical reactions necessary to produce goods from raw materials, and from burning fossil fuels for heat and power.

4. Deforestation: While not as large a contributor as the others, deforestation is still a significant source of greenhouse gases. Trees absorb CO2 as they grow, so when they are cut down, that CO2 is released back into the atmosphere. Additionally, the decomposition or burning of the wood releases even more CO2.

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According to the United States Environmental Protection Agency (US EPA), the largest contributors of greenhouse gases are:

1. Electricity Generation: This is the largest single source. Most of our electricity comes from burning fossil fuels like coal and natural gas, both of which release carbon dioxide - a major greenhouse gas - when burned.

2. Transportation: This is the second largest source of greenhouse gas emissions in the US. This includes emissions from cars, trucks, ships, trains, and planes. Most of these emissions come from burning gasoline and diesel fuel.

3. Industry: Industrial processes also contribute a significant amount of greenhouse gas emissions. This includes emissions from chemical reactions necessary to produce goods from raw materials, and from burning fossil fuels for heat and power.

4. Deforestation: While not as large a contributor as the others, deforestation is still a significant source of greenhouse gases. Trees absorb CO2 as they grow, so when they are cut down, that CO2 is released back into the atmosphere. Additionally, the decomposition or burning of the wood releases even more CO2.

According to US EPA, which activities are the largest contributors of greenhouse gases?DeforestationElectricity generationIndustryTransportation

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