What is the greatest contributor to climate change?
What is the greatest contributor to climate change?
Among the various long-lived greenhouse gases (GHGs) emitted by human activities, CO2 is so far the largest contributor to climate change, and, if anything, its relative role is expected to increase in the future.
What are the 3 biggest contributors to climate change?
Your search engine's picture results point to the truth: The burning of coal, natural gas and oil for electricity, transportation and heat is the largest source of greenhouse gas emissions globally. However, there are also many other factors to take into consideration.
What is the number one cause of climate change?
Human activity is the main cause of climate change. People burn fossil fuels and convert land from forests to agriculture. Burning fossil fuels produces carbon dioxide, a greenhouse gas. It is called a greenhouse gas because it produces a “greenhouse effect”.
What are the top 3 contributors to global warming?
- Transportation (29 percent of 2019 greenhouse gas emissions) The transportation sector generates the largest share of greenhouse gas emissions.
- Electricity production (25 percent of 2019 greenhouse gas emissions) Electricity production generates the second largest share of greenhouse gas emissions.