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Bookmark or Share- The Causes of Climate Change - Science@NASAHuman 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.
- What evidence exists that Earth is warming and that humans are the main ...There is overwhelming scientific evidence that Earth is warming and a preponderance of scientific evidence that human activities are the main cause.
- Causes of Climate Change | US EPASince the Industrial Revolution, human activities have released large amounts of carbon dioxide and other greenhouse gases into the atmosphere, which has changed the earth’s climate. Natural processes, such as changes in the sun's energy and volcanic eruptions, also affect the earth's climate.
- Causes | Facts – Climate Change: Vital Signs of the PlanetVital Signs of the Planet: Global Climate Change and Global Warming. What is the “greenhouse effect”? What is causing it? Are humans to blame? What does solar irradiance have to do with it? Answers here.
- What Causes Climate Change? Human and Natural Causes - NRDCScientists agree that human activity is the primary driver of what we’re seeing now worldwide. (This type of climate change is sometimes referred to as anthropogenic, which is just a way of...
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