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The Climate Change Crisis: What You Need to Know

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The world is facing a growing threat from climate change as greenhouse gas emissions continue to rise. Natural disasters have accelerated in frequency and intensity, with warming waters increasing the risk of typhoon Haiyan-like superstorms hitting densely populated coastal cities. A recent report found that impacts of climate change could cost the global economy $71 trillion by 2090 if carbon emissions aren’t reduced. These are some key points on why this matters, who is responsible for it, what can be done to solve it, and how you can help prevent further damage.

What is climate change?

Climate change is a long-term shift in the patterns of temperature and weather. While these changes may be relatively small, even over a few decades, when it comes to the Earth’s climate, they can have a big impact. A shift in climate can be the result of a change in any of the factors that influence it, such as atmospheric greenhouse gas concentrations, the amount of solar radiation reaching the planet’s surface, the reflectivity of the Earth’s surface, or the amount of water vapor in the air. Climate change is already affecting the health of people around the world, especially people living in coastal areas, in tropical regions, and in areas that are particularly vulnerable to an increase in weather extremes. It is also having impacts on agriculture, water resources, ecosystems, and biogeochemical cycles. As these impacts worsen, they will pose risks to food and water security, human health, economic growth, and social stability around the world.


Why is the climate changing?

In order to understand why the climate is changing, it is important to understand the greenhouse effect. The greenhouse effect is the process by which the Earth’s atmosphere traps some of the heat from the sun. The greenhouse effect is necessary for sustaining life on Earth because it helps to keep our planet warm enough for living organisms to survive. Without this natural greenhouse effect, the average temperature on Earth would be below freezing (32 degrees Fahrenheit or 0 degrees Celsius). However, the greenhouse effect has been increasing since the Industrial Revolution as humans have emitted increasing amounts of greenhouse gases, such as carbon dioxide (CO2) and methane, into the atmosphere. These greenhouse gases act like a blanket, trapping the sun’s heat near the Earth instead of letting it escape back into space. The more greenhouse gases there are in the atmosphere, the more heat the planet will retain. This causes the Earth to warm up and could eventually lead to “climate change.”

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The effects of climate change

Warmer temperatures: The world has seen a roughly 2 degree Fahrenheit increase in average global temperature since the Industrial Revolution, when humans first began emitting large amounts of CO2 into the atmosphere. These higher temperatures have led to changes in precipitation and water availability, as well as to increases in the frequency and severity of extreme weather events, like floods, droughts, wildfires, and hurricanes. Higher seas: As the planet warms, the amount of water in the oceans also increases, which causes sea levels to rise. This rise in sea levels will have numerous negative impacts, such as the destruction of coastal habitats, loss of valuable real estate, and more frequent and severe coastal flooding. Drier soils: As the world warms, soil will dry out faster, which will lead to more extreme droughts in many areas, especially in places that are already dry. This could lead to water shortages and reduced crop productivity in many areas.


Who is responsible for climate change?

Greenhouse gas emissions from human activities, such as burning fossil fuels, deforestation, and agricultural practices, are the main cause of climate change. If emissions continue at their current rate, scientists expect the average global temperature to rise another 4 degrees Fahrenheit by the end of this century. While people in all countries are contributing to climate change, some are responsible for a larger share of emissions than others. A few countries, including China, India, the United States, and Brazil, are responsible for about two-thirds of all carbon dioxide emissions, largely due to their large populations and strong economies.


What can be done to solve the crisis?

The best way to combat climate change is to reduce greenhouse gas emissions now. There are many ways to do this, such as switching to renewable energy sources, traveling less, eating a more plant-based diet, and reducing household energy use. Some of these actions may seem small, but if everyone works together to make these changes, we can achieve a large reduction in global greenhouse gas emissions in a relatively short period of time. There is also a need to prepare for the unavoidable impacts that climate change will bring. Efforts to reduce emissions and adapt to climate change must be undertaken by all countries, with a special focus on helping vulnerable people prepare for the threats that lie ahead.



Climate change is a real and pressing threat. Fortunately, the situation can be avoided if we all work together to reduce greenhouse gas emissions. It is crucial that we understand the implications of climate change, as well as how to reduce our own carbon footprint to mitigate the effects of this global crisis. By taking these steps, we can work towards a future where the climate is healthier and more sustainable for everyone.

© 2022 PP

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