Global warming is the gradual heating of Earth's surface, oceans and atmosphere. Scientists have documented the rise in average temperatures worldwide since the late 1800s. Earth's average temperature has risen by 1.4 degrees Fahrenheit (0.8 degrees Celsius) over the past century, according to the Environmental Protection Agency (EPA). Temperatures are projected to rise another 2 to 11.5 degrees F (1.133 to 6.42 degrees C) over the next 100 years.
Most of the leading scientific organizations in the world acknowledge the existence of global warming as fact, according to a NASA report. Furthermore, 97 percent of climate scientists agree that the rate of global warming trends the planet is now experiencing is not a natural occurrence, but is primarily the result of human activity. That consensus was made clear in a major climate report released Sept. 27, 2013, by the Intergovernmental Panel on Climate Change (IPCC). In that report, climate scientists indicated they are more certain than ever of the link between human activities and global warming.effects of global warming
1. Melting of Glaciers: The melting of glaciers will create plethora of problems for human kind and the animals living on the earth. Due to increased global warming, the level of the sea will rise which will lead to flooding and this will in turn create havoc in human life. Apart from raising the sea levels, it will also endanger several species of animals and thus will hamper the balance of the ecosystem.
2. Climate Change: Irregular weather patterns have already started showing results. Increased precipitation in the form of rain have already been noticed in polar and sub-polar regions. More global warming will lead to more evaporation which will cause more rains. Animals and plants cannot easily adapt to increased rainfall. Plants may die and animals may migrate to other areas, which can cause entire ecosystem out of balance.
3. Droughts: While it may be flooding in Savannah, severe drought is happening elsewhere in the world. As temperatures warm, the presence of drought has increased in the western U.S. Add on top of that heat waves and no precipitation, whole forests have begun to disappear including tens of millions of trees in Colorado’s Rockies.
4. Diseases: As the temperature becomes more warm, it can affect the health of humans and the diseases they are exposed to. With the increase in the rainfall, water borne diseases are likely to spread like malaria. The earth will become more warm and as a result heat waves are likely to increase that can cause a major blow to the people.
5. Rise of Sea Levels: The melting of polar ice-caps and less water evaporating into the atmosphere are causing increased sea levels. Quaint coastal towns and cities near the U.S. east coast and Gulf of Mexico are just a few areas where devastating flood damage is starting to make its mark in history.
6. Heat Waves: If you thought last summer’s headlines of record changing temperature was mind blowing, just wait. Because of greenhouse gases and other causes, unexpected streaks of severe weather are just the tips of the iceberg in global warming. Heat waves cause dangerously hot weather and in recent years, more deaths have occurred due to heat waves than in the last sixty years.
7. Frequent Wildfires: While wildfires are a natural occurrence, with the added carbon dioxide in the air, and hotter summers, the evidence speaks for itself. More frequent wildfires continue to surface in vast amounts each year. The rate at which they burn is longer than the last, and with the release of carbon dioxide into the air, not only are people’s lives in danger, but wildlife severely suffers. Each time a wildfire burns, the less oxygen there is to combat the dangerous amounts of carbon dioxide being released into the atmosphere.
8. Agriculture: Global warming can affect agriculture. Although the results are not visible yet, but it may show it’s effects in years to come. As the global temperature will increase, plants will find it harder to survive and will die. Plants are the major source of food for human beings and as a result food shortage may occur. The shortage of the food may lead to war and conflicts in some countries.


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