Causes And Consequences Of Climate Change Pdf – Climate change is real. And the evidence is all around us. Although global climate change is not new, But it is clear that the impact has occurred recently. This is having serious consequences for countless people, places and wildlife. If you really want to know So what is climate change? And why is it important? Please read on to learn more about the causes, effects, and practical solutions to stop this change.

You’ve probably heard the terms climate change and global warming used interchangeably. That’s because both explain global climate change. Although global warming focuses on the increasing average temperature of the world, Climate change usually refers to changes in things like precipitation, wind patterns, and temperatures over a specified period of time. Measurable climate change may last for years, decades, or even millions of years.

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Climate change has been going on for as long as the planet has existed. It occurs whenever the Earth’s climate pattern changes and lasts for a measurable period of time. This is especially evident in the natural cycle of cooling and warming. Before human causes began to change the global climate, five main factors interacted with each other as climate change occurred. These five factors are: [1]

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The American Association for the Advancement of Science states, “The scientific evidence is clear: Global climate change caused by human activity is occurring now. and is a growing threat to society” [2]

Greenhouse gases play an important role in the Earth’s climate cycle. When the planet is exposed to the sun’s rays Some of the energy will be absorbed. and the rest of the energy and heat will be reflected out into space. Greenhouse gases in the atmosphere trap energy that is reflected back down to the earth and ultimately cause global warming. Various gases play this role, including:[3]

Although some greenhouse gases, such as water vapor, occur naturally, But some greenhouse gases, such as CFCs, are synthetic. CO2 is released into the atmosphere from both natural and man-made causes. And it is one of the key contributors to climate change. CO2 is increasing at an alarming rate and has the potential to remain in the Earth’s atmosphere for thousands of years. unless it is absorbed by the ocean, land, trees, and other sources [4]. However, as CO2 production continues to increase, The world’s natural resources for absorption are also decreasing. This is already happening in many ways, as Eath’s resources are lost through things like deforestation. Some studies predict that plants and soil will be able to absorb less carbon dioxide as food continues to warm. and may accelerate climate change even further [5]

Solar activity as mentioned above Plays a role in the world’s weather Although the sun moves according to natural cycles, It increases and decreases the amount of energy released into the world. But it is unlikely that solar activity will be a major contributor to global warming or climate change. Since scientists began measuring the sun’s energy hitting our atmosphere, Therefore, there is no measurable upward trend [6].

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There are several important ways in which agriculture impacts climate change. From deforestation in places like the Amazon to the transportation and livestock required to support global agricultural efforts. Agriculture is a major contributor to the world’s greenhouse gas emissions. However, it is also an area where great strides are being made to become more sustainable. When production increases Less carbon is used to produce more food. Agriculture also has the potential to act as a carbon sink. and finally able to absorb almost the same amount of carbon dioxide that is released [7]

Deforestation and climate change often occur together. Not only will climate change increase deforestation due to wildfires and other extreme weather events, but deforestation is also a major contributor to global warming. According to the Earth Day Network, Deforestation is the second leading cause of global greenhouse gas emissions [8]. Many people and organizations fighting climate change point to reducing deforestation as one of their key issues. must be addressed to slow down or prevent climate change [9]

According to the Environmental Protection Agency The most important contributor to climate change in the United States is the burning of fossil fuels for electricity, heat, and transportation. Among these factors, Transportation in the form of cars, trucks, ships, trains, and airplanes emits the largest percentage of carbon dioxide. which accelerates global warming and remains a major cause of climate change [10]

Even though it is linked to the agricultural problems and deforestation that we have already dealt with. But livestock in the form of cattle, sheep, pigs and poultry also play a key role in climate change. From the study of “Livestock and Climate Change” found that global livestock are responsible for 51% of annual global greenhouse gas emissions [11] .

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From melting glaciers to more extreme weather patterns. People around the world are beginning to notice the true effects of climate change. While some countries around the world are working on initiatives such as the Paris Climate Agreement, others It continues to conduct business as usual. They pump millions of tonnes of carbon into the atmosphere year after year. Long-term effects remain to be seen, though. But for now Climate change continues to cause extreme weather conditions. and global security and economic challenges.

Climate change is perhaps the most visible impact of climate change for the average person. One reason is the financial impact of extreme weather events. So far in the United States in 2019, there have been six climate disasters, most of which cost more than $1 billion [12] according to the National Climate Assessment. Extreme weather events will continue to increase in frequency and intensity. As climate change continues to occur [13], extreme weather conditions influenced by climate change include:

In 2014, the US Department of Defense Publish a report stating that climate change poses a serious and immediate threat to national security. Former Secretary of Defense Chuck Hagel said, “Rising global temperatures Changing sedimentation patterns rising sea level and more extreme weather events It will intensify global challenges of insecurity, hunger, poverty and conflict” [14]

Climate change is also likely to cause economic challenges in many parts of the world. Some estimates indicate that the U.S. An estimated $240 billion is already spent annually due to human-caused climate change. and future costs are expected to be even higher. [15] However, quantifying the true cost of climate change is difficult when you consider the enormous costs of losing natural resources like clean air. and water

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The long-term effects of climate change could be catastrophic for the planet and everyone and everything that lives on it. If the world continues on its current course We will continue to see increased effects on our daily lives.

Climate change can affect people’s health in a number of ways. It depends on age, location and economic status. Climate change is already affecting the health of many people. and may affect millions of people again According to the Centers for Disease Control and Prevention Health risks related to climate change may include: [16]

An ecosystem is a network of interconnected living things that support plants and all kinds of biological life. Climate change is altering seasonal weather patterns. and disrupts the global distribution of food for plants and animals. which may cause mass extinction Some studies estimate that nearly 30% of plant and animal species are at risk of extinction if global temperatures continue to rise [17].

Climate change may have a significant impact on food and water supplies. Extreme weather and rising temperatures will continue to limit crop yields and increase water demand. With food demand expected to increase nearly 70% by 2050, the problem will only get worse [18] .

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Rising sea levels could have far-reaching impacts on coastal cities and habitats. Rising ocean temperatures and the melting of ice sheets have led to continued global sea level rise. at the current rate The National Oceanic and Atmospheric Administration estimates that sea levels will rise at least 8 inches by 2100, potentially causing increased flooding and decreased ocean and wetland habitat [19] .

While contributing to sea level rise But shrinking ice sheets cause unique problems, such as rising global temperatures. and greenhouse gas emissions Climate change has resulted in summer melting of the ice sheets covering Greenland and Antarctica increasing by nearly 30% since 1979 [20] .

The ocean is one of the main ways to absorb carbon dioxide. Although at first glance this may sound positive. But increased anthropogenic carbon dioxide is pushing the world’s oceans to their limits and causing increased acidity as ocean pH levels drop. Snails have difficulty reproducing. and much of the food cycle in the ocean will be disrupted [21]

Although the effects of climate change may seem bleak, But there’s still hope. Immediate action to curb climate change We may never see the worst effects. In the same way As the world turns towards cleaner and more sustainable energy solutions, It could create millions of new jobs and billions of dollars.

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