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Fossil fuels – coal, oil and gas – are by far the largest contributor to global climate change, accounting for over 75 per cent of global greenhouse gas emissions and nearly 90 per cent of all...
Human activities are driving the global warming trend observed since the mid-20th century. The greenhouse effect is essential to life on Earth, but human-made emissions in the atmosphere are trapping and slowing heat loss to space. Five key greenhouse gases are carbon dioxide, nitrous oxide, methane, chlorofluorocarbons, and water vapor.
Human activities have been the main driver of climate change, primarily due to the burning of fossil fuels like coal, oil and gas. Concentrations of the key greenhouse gases have all increased since the Industrial Revolution due to human activities.
Drivers of climate change from 1850–1900 to 2010–2019. Future global warming potential for long lived drivers like carbon dioxide emissions is not represented. The scientific community has been investigating the causes of climate change for decades.
Both human-made and natural factors contribute to climate change: Human causes include burning fossil fuels, cutting down forests, and developing land for farms, cities, and roads. These activities all release greenhouse gases into the atmosphere.
Here’s a rough breakdown of the factors that are driving climate change. Some amount of climate change can be attributed to natural phenomena.
The evidence is clear: the main cause of climate change is burning fossil fuels such as oil, gas, and coal. When burnt, fossil fuels release carbon dioxide into the air, causing...