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Earth's temperature is increasing due to the rising levels of greenhouse gases in the atmosphere, primarily carbon dioxide, methane, and nitrous oxide.

These gases trap heat from the sun, preventing it from escaping back into space, and are released through human activities such as ¹ ²: - *Burning Fossil Fuels*: Coal, oil, and gas combustion for energy and transportation releases large amounts of carbon dioxide. - *Deforestation*: Cutting down trees reduces the ability of forests to absorb carbon dioxide. - *Agriculture*: Livestock digestion and manure release methane, while fertilizers used in farming release nitrous oxide. - *Industrial Processes*: Cement production and the use of chlorofluorocarbons (CFCs) also contribute to greenhouse gas emissions. The average global temperature has risen by about 1.1°C (1.9°F) since 1880, with most of this warming occurring since 1975. This rapid warming trend cannot be explained by natural cycles alone, and scientists agree that human activities are the primary cause ³. Some key evidence supporting this includes ⁴: - *Temperature Records*: Global temperature data shows a consistent warming trend over the past century. - *Shrinking Ice Sheets*: Greenland's ice sheet is melting at an accelerating rate. - *Sea-Level Rise*: Mean global sea level is rising due to the melting of glaciers and ice sheets. If greenhouse gas emissions continue to rise, the planet can expect to warm by 4.5-5°C (8.1-9°F) by the end of the century, with severe consequences for climate and ecosystems. However, reducing emissions can limit warming to 1-1.5°C (1.8-2.7°F) ⁵.