2017 is one of the hottest three years on record.  Right, the Earth is getting hotter extremely. Global warming is going on and in many areas,  we can experience lots of different problems. It is getting serious and we really should find some ways and fulfill them to stop this global warming. Global warming is that the world is getting hotter. The simplest way to know that the global warming is really happening is to measure the temperature.

Agencies in the United States and Europe have analyzed that the Earth’s average temperature has increased by 0.8° Celsius since an early 20th century. You might think that 0.8° is a little, but actually, it is not. As you can see, only 2 degrees has increased, but we are facing a lot of problems right now. We are responsible because the global temperature was increased extremely since the Industrial Revolution.

Methane, water vapor, carbon dioxide, nitrous oxide, and ozone are the main greenhouse gases in the atmosphere. Burning fossil fuels is the biggest source of producing greenhouse gases. When we burn fossil fuels to create energy, it produces carbon dioxide and other greenhouse gases. About 25 percent of man-made greenhouse gases come from burning coal.

19 percent came from the use of natural gas, and 21 percent form oil.  Also, the deforestation is a big source. About 15 percent of man-made emissions comes from land-use changes. Forest absorbs carbon dioxide and releases oxygen. But if we cut down and burn the forests, it will be a way to increase the amount of carbon dioxide. Another 7 percent are from agriculture. At every stage, producing, storing, processing, packaging, transporting, preparing, food provisioning releases carbon dioxide. Also farming release a significant amount of methane and nitrous oxide.

Methane comes from livestock. Cows release between 70 and 120 kg of Methane per year. It can also be released from stored manure and organic waste in landfills.

Nitrous oxide is indirectly produced from organic and mineral nitrogen fertilizers. Carbon dioxide has risen 40 percent. Methane has risen 150 percent. Mostly, human activities change Earth’s average temperature.

When we produce greenhouse gases, they are collected in the atmosphere. They absorb sunlight and trap the heat so the heat can’t bounce off the earth’s surface. These pollutants, which can last for years to centuries in the atmosphere make the planet to get hotter. So when we even add more carbon dioxide to the atmosphere, our planet will warm up faster and faster.

 How is global warming affecting us? First, we got more hot days and less cold days since the 1950s. Also, hot days got hotter. Second, there are stronger and longer storms. The overall number of stronger and longer storms has especially increased in North America and Europe since the world temperature can hold more moisture. Because of the global warming, it heats the surface, and warmer surfaces water disappears more into vapor. It let the storms to be bigger and longer. Third, sea surface gets hotter. Warming has occurred from about 2,300 feet (700m) depth, where most marine life grows.

Krills and corals, which are extremely important at the base of a food chain. Also, corals become bleached. Coral and algae rely on each other, but if corals are stressed, because of temperature or light, algae leave the coral. Therefore, corals are left bleached and vulnerable. Fourth, sea level is rising. In the 19th and 20th century,  global sea level has risen by 25 centimeters (9.8 inches).

The sea level rising melts glaciers and ice sheets quickly. Fifth, sea ice and glaciers are shrinking. The big amount of ice has shrunk since 1979, and it is shrinking by 3.5-4.1 percent per decade, on average.

If glaciers shrink, there will be less freshwater that is drinkable. Also, polar bears are affected by ice cap melting. They hunt and take a rest on ice caps during the summer and autumn. However, now ice caps melt earlier and form later.

There should be ice caps for polar bears, but in spring and autumn, there aren’t any ice caps. Therefore, they stay longer period without food, and their health is getting worse. Polar bears are now 10kg (22lbs) lighter before. Furthermore, there are fewer cubs, because they are all in a poor condition, no food.

Sixth, ocean acidification is happening. When we burn fossil fuels or produce carbon dioxide, the oceans absorb one-third of carbon dioxide. This process resists some global warming, but it also makes ocean to be more acidic, because the carbon dioxide is absorbed.

Since the Industrial Revolution, the oceans have become 30 percent more acidic. Acidic seawater can kill oysters and coral reef by making harder to form protective shells. Seventh, more droughts are happening in dry areas. Especially in the Southern Africa, the Sahel region of Africa, Southern Asia, the Mediterranean, and the U.

S. Southwest. If global warming is continued, semi-arid and desert areas may be expanded. Eighth, the buildings are collapsing. Many buildings, which are built on permafrost, are collapsing because now permafrost is thawing in Siberia. In the past, we have had five ice ages, the Huronian, Cryogenian, Andean-Saharan, Karoo Ice Age and the Quaternary glaciation. The ice age is a period of time during which much of the earth is covered with glaciers.

Most recent ice age occurred 1.8 million years ago during the Pleistocene Era. Medieval warming period is the period that the global temperature has been few degrees warmer than the preceding and following periods. The little ice age is a cooling period that occurred after the Medieval Warming Period, from the early 14th century through the mid-19th century. At that time, European Alps, New Zealand, Alaska, and the southern Andes, and average temperature declined by 0.

6°C. To save our Earth from getting hotter, there are some ways that we can do. First, speak up. Tell your friends or families about global warming. Everyone should know how global warming is affecting us and what we should do to stop global warming. Second, try to use less electricity. If it is possible to power your home with renewable energy. Also, you can use energy-efficient appliances.

When you are shopping new appliances, look for the Energy Star label. It will show which one is more efficient. I agree that the global warming is a “moral issue” and our carbon dioxide emissions are “deeply unethical,” because if we respect our later generation, it is our job to stop the global warming. As we ruin the environment, all of the results will occur to the later generation. If we love our neighbors and our later generation, we should not pollute the air. Also, don’t be greedy.

As we can’t divide the environment and each person gets one part, all the pollutant that we have produced goes to everyone and will damage all of us. We should consider neighbors and environment. We should also learn to be responsible what we have done. In addition, it is important to know how to prevent global warming and practice it. For example, not throwing trash away is one of a moral way to save the environment and stop the global warming. I think if we all act morally every time, the speed of the global warming will slow down.

 In conclusion, now the global warming is a current problem. We all have to be responsible and think that how we caused. As we know how the global warming is affecting us and the way to prevent, let’s try our best to stop global warming.



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