Though this warming trend has been going on for a long time, its pace has significantly increased in the last hundred years due to the burning of fossil fuels. ScienceDaily – Global Warming . To understand what this means for humanity, it is necessary to understand what global warming is, how scientists know it's happening, and how they predict future climate. May 15, 2008 . The basic physics of global warming are as well understood as any scientific phenomenon. stones disease. Despite that, many nations are unwilling to pay the cost of switching to a green economy. We often call the result global warming, but it is causing a set of changes to the Earth's climate, or long-term weather patterns, that varies from place to place. As the human population has increased, so has the volume of fossil fuels burned. May 15, 2008 . warming. Global warming refers to the steady temperature rise on our planet. Although the amount of energy coming from the sun does vary and may have been responsible for warming in the past, however, NASA and the Intergovernmental Panel on Climate Change (IPCC) have ruled this out as a cause of the current warming … The Earth receives its warmth from the sun, so it's reasonable to suspect that our home star may be one of the reasons for global warming. Geneva (Reuters) – Obesity . Natural sources of atmospheric CO2 include outgassing from volcanoes, the combustion and natural decay of organic matter, and respiration by aerobic (oxygen-using) organisms. GLOBAL WARMING: WHAT, HOW, WHY? Page 9 2008 This is a photo of Earth taken by the EPIC imager on the DSCOVR satellite on March 29, 2017. to global warming. Global warming: the increase in Earth’s average surface temperature due to rising levels of greenhouse gases. Solving global warming is sometimes described as a prisoner’s dilemma. Climate change: a long-term change in the Earth’s climate, or of a region on Earth. A: Here's a simple definition of global warming. June 26, 2008. A prisoner’s dilemma is a situation where two people fail to cooperate despite shared interests. (And yes, it's really happening.) With regard to global warming, all nations have an interest in stopping it. Global warming - Global warming - Carbon dioxide: Of the greenhouse gases, carbon dioxide (CO2) is the most significant. AP - Earthquakes stronger due . Within scientific journals, this is still how the two terms are used. may lead to increase in kidney . Global warming is happening now, and scientists are confident that greenhouse gases are responsible. Global warming is the long-term warming of the planet’s overall temperature. 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