Global warming is caused by increased levels of carbon dioxide and other greenhouse gases in the atmosphere. This increase is the result of human activity, such as the burning of coal to produce energy and the deforestat... More » Science Earth Science

Modern models of climate change are grounded in observable evidence and reasonable inference, so they can be regarded as factual. Global warming happens when sunlight warms the Earth's surface and causes it to radiate he... More » Science Environmental Science

One key anti-global warming fact is that climate change is a non-linear process that scientists do not yet fully comprehend. This means that no computer model can accurately predict how regional climate may change over a... More » Science Environmental Science Human Impact
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Global warming refers to the gradual increase in the temperature of the Earth's surface, atmosphere and oceans as a result of greenhouse gases. Carbon monoxide emissions created by deforestation and burning fossil fuels ... More » Science Environmental Science Human Impact

Several greenhouse gases are present in Earth's atmosphere, notably carbon dioxide, methane, nitrous oxide and various fluorinated gases. Each of these compounds absorbs light at its own set of frequencies, so together t... More » Science Environmental Science Pollution

Global warming results primarily from human activities that cause an increase in the amount of greenhouse gases in the atmosphere, which in turn compromise the atmosphere's functional capacities, including regulating tem... More » Science Earth Science

One benefit of hydropower, or hydroelectricity, is that it is a green source of energy, meaning it does not create any pollutants or greenhouse gases, which cause global warming and environmental change. It is also renew... More » Science Environmental Science Natural Resources