| -- End Ad Box ---> | | | | increased nearly 30%, methane concentrations have |
| The Earth’s surface temperature has risen by | | | | more than doubled, and nitrous oxide concentrations |
| about 1 degree Fahrenheit in the past century, with | | | | have risen by about 15%. These increases have |
| accelerated warming during the past two decades. | | | | enhanced the heat-trapping capability of the |
| There is new and stronger evidence that most of | | | | earth’s atmosphere. Consequently, the |
| the warming over the last 50 years is attributable to | | | | temperature of the planet earth is rising. |
| human activities. Human activities have altered the | | | | Fossil fuels burned to run cars and trucks, heat |
| chemical composition of the atmosphere through the | | | | homes and businesses, and power factories are |
| buildup of greenhouse gasesprimarily carbon | | | | responsible for about 98% of world carbon dioxide |
| dioxide, methane, and nitrous oxide. The | | | | emissions, 24% of methane emissions, and 18% of |
| heat-trapping property of these gases is undisputed | | | | nitrous oxide emissions. Increased agriculture, |
| although uncertainties exist about exactly how | | | | deforestation, landfills, industrial production, and mining |
| earth’s climate responds to them. | | | | also contribute a significant share of emissions. All |
| Energy from the sun drives the earth’s | | | | these have dramatically reduce the lifespan of living |
| weather and climate, and heats the earth’s | | | | earth. |
| surface; in turn, the earth radiates energy back into | | | | The quest for efficient energy affects every country |
| space. Atmospheric greenhouse gases (water vapor, | | | | on the planet. Worldwide there is an increasing |
| carbon dioxide, and other gases) trap some of the | | | | interest in developing clean, reliable alternatives to |
| outgoing energy, retaining heat somewhat like the | | | | petroleum fuels. Many smart, safe, and clean |
| glass panels of a greenhouse. | | | | alternative power sources are available in the market. |
| Without this natural greenhouse effect, | | | | People can easily install these clean power sources at |
| temperatures would be much lower than they are | | | | their home as alternative energy to help reducing |
| now, and life as known today would not be possible. | | | | carbon dioxide emission as well as reducing their |
| Instead, thanks to greenhouse gases, the | | | | utilities bill. |
| earth’s average temperature is a more | | | | In recent year, people has come up with alternative |
| hospitable 60°F. However, problems may arise | | | | power sources run their cars in order to reduce the |
| when the atmospheric concentration of greenhouse | | | | spending on petrol gas and of course, reduce the |
| gases increases. | | | | carbon dioxide emission. |
| Since the beginning of the industrial revolution, | | | | Please play your part on global warming. It is easy |
| atmospheric concentrations of carbon dioxide have | | | | and at the same time, you could save money! |