Greenhouse gas emissions from human activities strengthen the greenhouse effect, causing climate change. Most is carbon dioxide from burning fossil fuels : coal , oil , and natural gas . The largest polluters include coal in China and large oil and gas companies , many state-owned by OPEC and Russia .

A greenhouse gas is a gas which reflects radiation that the Earth emits, and stops it from being lost into space. This makes the Earth hotter than it would be without greenhouse gases.This is called the "greenhouse effect".Most greenhouse gases are natural - water vapor is the most common, and causes most of the greenhouse effect on Earth. Other greenhouse gases are …

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This chart shows the change in global greenhouse gas emissions over time. Greenhouse gases are measured in ‘carbon dioxide-equivalents’ (CO 2 e). Today, we collectively emit around 50 billion tonnes of CO 2 e each year. This is more than 40% higher than emissions in 1990, which were around 35 billion tonnes.

27/07/2021 · Greenhouse gas emissions from homes and businesses vary from year to year often correlated with seasonal fluctuations in energy use caused primarily by weather conditions. Total residential and commercial greenhouse gas emissions, including direct and indirect emissions, in 2019 have increased by 3 percent since 1990.

Greenhouse Gas Emissions. A gas that absorbs heat within a planet’s atmosphere, causing the greenhouse effect. Greenhouse gases on earth include carbon dioxide, water vapour, methane, nitrous oxide, and ozone.