Studies published in peer-reviewed scientific journals state that upward of 97 percent of actively publishing climate scientists agree that the climate is changing, likely due in part to human activity. Many prominent sc... More »

www.reference.com Science Environmental Science

Global warming is the process by which the Earth’s average atmospheric temperature increases over time. The Earth has experienced both global warming and cooling during its 4.5-billion-year history. However, the current ... More »

Global warming is caused primarily by an increased greenhouse effect, or the proclivity of certain gases in the atmosphere to allow sunlight to enter but not to depart. Although the Earth has natural periods of warmer an... More »

Global warming affects people by impacting climate with higher temperatures and catastrophic weather conditions, causing health problems by exacerbating pollution and spreading pests, and decreasing living space through ... More »

Most scientists agree that man-made climate change, or global warming, began in earnest during the industrial revolution, which occurred between the 18th and 19th centuries. This occurred, they say, as a result of a larg... More »

During a high school debate on global warming, explain that the scientific community at large warns of severe negative consequences to come if humans do not take action to stop climate change from occurring. Cite reputab... More »

www.reference.com Science Environmental Science

Global warming happens when carbon levels in the atmosphere rise, trees are cut down in large quantities and the ozone layer is destroyed. Without managing these things, the Earth risks suffering from adverse effects. More »