Global climate is ultimately driven by the amount of solar radiation reaching the earth\'s atmosphere and surface. In the past century there has been growing concern in the scientific community regarding new reaseach data and the speculations that human activity, particularly the release of greenhouse gases is affecting the global climate in the short term. Global warming is the observed increase in the average temperature of the Earth\'s atmosphere and oceans in recent decades, and its projected continuation. Let Global Climate News .com be your information source for global warming news.