Why Global Warming is Bad
1. The heat generated by the rising temperature will provide a huge amount of kinetic energy to the air and the ocean, thus forming large, even super-large typhoons, hurricanes, tsunamis, and other disasters. Global warming
The number of disasters suffered and faced each year is increasing, and the number of lost lives and money is getting bigger and bigger, which is more and more unacceptable.
Disasters such as typhoon and tsunami not only directly damage buildings and threaten human life, but also bring secondary disasters, especially the heavy rainfall caused by typhoons, hurricanes and other disasters, which will lead to mudslides, landslides, etc. Traffic safety and residential safety.
2. The rise in temperature will not only directly absorb water from the ocean but also absorb water from the land, causing a large area of drought in the inland areas, thus reducing grain production and reducing feed production.
Food and meat products will face scarcity and directly threaten national stability. The panic and fighting caused by food will no longer be a thing that will happen in backward villages.
3. The iceberg that melts with rising temperatures is the most important source of fresh water we depend on for survival. A large part of our underground freshwater reserves come from icebergs.
When the temperature balance is normal, the ice and snow circulation system of the iceberg, that is, the iceberg melts in the summer, flows down the mountain, flows into the ground, accumulates fresh water to the plain area, and plays a filtering role.
Winter water returns to the mountains in the form of water vapor, and re-accumulates snow and ice through heavy snowfall. It is also a filtration process.
The entire cycle process gives us a stable balance of fresh water.
Nowadays, global warming has made the accumulation of ice and snow not far faster, and even some icebergs no longer accumulate, which cut off the local drinking fresh water. This will bring about conflicts and wars caused by water shortages.
4. The rising temperature has caused the natural food chain to gradually break.
5. An increase in the amount of carbon dioxide in the atmosphere leads to an increase in the carbon dioxide content in the ocean, which causes the ocean to carbonate, which kills a large number of microorganisms.
An increase in ocean temperatures can also destroy a large number of coral-centered biological chains. The bottom food disappears, causing the marine food chain to start from the bottom, breaking up quickly and spreading beyond the ocean.
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Because there is no food, there will be a large number of marine life, and other creatures that feed on marine life die. The death of a large number of organisms in the ocean will pollute the ocean and accelerate the death of other organisms.
At the same time, it will release a large number of greenhouse gases, accelerate global warming and form a vicious circle.
6. As the temperature rises, invertebrates, especially insects, wake up early from hibernation, but long-distance migratory animals that depend on these insects cannot catch up in time, miss the opportunity to pray, and thus die in large numbers.
Insects wake up in advance because without natural enemies, they will eat large forests and crops with impunity. Without forests, it is equivalent to increasing the carbon dioxide content in the invisible, accelerating global warming and forming a vicious circle; without crops, human beings have no food.
7. The large reduction in the number of bees is also a precursor to the complete collapse of the food chain in nature. Without bees to help spread pollen, plants will not be able to reproduce.
That is to say, crops cannot be propagated, and no result, humans will have no food. The global human race will face a shortage of food, and the wars caused by the fight for food will be more and closer. And the food for the human competition will be less and less.
8. Global warming has led to a large loss of land moisture, and there is always a “star fire can poke the original.” Not only are the mountain fires in the forest, but the fires in the city will also be very frequent.
The fire is ruthless, and our home will be in danger for 24 hours. 24 hours means that there is a possibility of fire even at night. See Canadian Mountain Fire.
9. The biggest threat that global warming can identify and expose is the sudden arrival of the Ice Age. As described in the film “The Day After Tomorrow.”
10. The rising temperature will affect the physiological functions of human beings, the chances of getting sick will become larger and larger, and various physiological diseases will spread rapidly and even breed new diseases.
Ophthalmology, heart disease, respiratory system diseases, digestive diseases, viral diseases, bacterial diseases… The society will pay more and more money for medical treatment, and more and more people will die. Cancer will become more and more popular; sudden death will become more and more common.
11. The temperature rises, the glaciers melt, and the sea level rises, causing the loss of environmental groups such as coastal wetlands, mangroves, and coral reefs, coastal erosion, seawater intrusion into coastal freshwater layers, and coastal land salinization, resulting in coastal, estuary and bay nature.
The imbalance of the ecological environment brings disaster to the coastal ecological environment.
12. The water area has increased. Water evaporation is also more, the rainy season is prolonged, and floods are becoming more frequent. The chances of flooding are increasing, the extent and severity of the storm are increasing, and the life of the reservoir dam is shortened.
13. When the temperature rises, it will affect human fertility, and the activity of sperm decreases with increasing temperature.
14. The pathogens spread the epidemic through extreme weather and climate events (El Niño, La Niña, drought, floods, heat waves,) and are very harmful to human health.
Global Warming Introduction
How Global Warming Affects Plants
The greenhouse effect has been working since the Earth was formed. If there is no greenhouse effect, the surface of the earth will be extremely cold, the temperature will drop to minus 20 ° C, the ocean will freeze, and life will not form.
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Therefore, we are not faced with the problem of the greenhouse effect, but the problem of human beings expelling a large number of greenhouse gases into the atmosphere by burning fossil fuels, causing a dramatic change in the greenhouse effect and the Earth’s climate.
What is the impact of the greenhouse effect? Due to the burning of fossil fuels and the deforestation of a large number of forests, the concentration of carbon dioxide and other gases in the earth’s atmosphere has increased.
Due to the greenhouse effect of these gases, the global average surface temperature has increased by about 0.3-0.6 °C in the past 100 years. It is estimated that it will increase by another 1~3 °C in 2030.
When the average temperature in the world rises by 1 °C, a huge change will occur: the sea level will rise, the mountain glaciers will recede, and the snow cover will shrink. As global temperatures rise, it will lead to uneven precipitation, precipitation increases in some areas, and precipitation decreases in others.
For example, the Sahel region in West Africa has been severely arid since 1965; since 1965, the precipitation in China has decreased in recent years.
Compared with the 1950s, precipitation in North China has decreased by 1/3, and water resources have decreased by 1/ 2; China’s annual drought-affected area is about 400 million mu.
In normal years, the national irrigation district lacks 30 billion cubic meters of water per year and the city lacks 6 billion cubic meters of water. When the average temperature in the world rises by 3 °C, humans have been unable to recover, and the world will be tight.
Due to rising temperatures, global sea levels have risen by 1 to 2 mm per year over the past 100 years. It is expected that sea levels will continue to rise by 30 to 50 centimeters by 2050, which will inundate a large number of low-lying land along the coast.
The changes have led to increased climate disasters such as droughts and floods and low temperatures, resulting in economic losses of more than tens of billions of dollars per year worldwide.
Since the 1920s, glaciers from Patagonia to the Swiss Alps have been widely considered for “greenhouse” gas emissions.
The melting of the greenhouse effect was observed. In South Asia, the question is not whether the glaciers are melting, but how fast is it melting?
Although many of the adverse effects of global warming may not become very serious by the end of the 21st century, glacial meltwater in places such as Nepal, India, Pakistan, China, and Bhutan may soon cause trouble.
According to a study by the International Ice and Snow Commission (ICSI), “The Himalayan region has a faster retreat than any other in the world.
If the current rate of melting continues, the possibility of these glaciers disappearing before 2035 is very high. Big.” Seyed Hassanein, head of the International Snow and Ice Committee, said: “Even if the glacial meltwaters dry up in 60 to 100 years, the impact of this ecological disaster will be shocking.”
The melting of glaciers in the eastern part of the Himalayas in the Ganges River is the most serious. The glaciers from Bhutan to Kashmir, which is distributed on the “roof of the world”, are the fastest.
Take the 3-mile Balnak Glacier, which is one of the many glaciers that formed between 40 million and 50 million years ago when the Indian subcontinent collided with the Asian continent. It has retreated half since 1990 mile.
After the winter of the sub-Arctic region, which was severely cold in 1997, scientists had predicted that the glaciers would expand, but it retreated further in the summer of 1998.
First, global warming has caused sea levels to rise, and precipitation has redistributed, changing the current world climate pattern.
Second, global warming has affected and destroyed the biological chain and food chain, bringing more serious natural consequences.
For example, there is a migratory bird that flies from Australia to northeastern China every summer, but due to global warming, the temperature in northeast China rises and the summer is extended.
The time for the bird to leave the northeast is correspondingly delayed, and the time to return to the northeast again delayed accordingly.
As a result, the pests that this migratory bird ate were flooded and destroyed large forests. In addition, extreme events related to the environment have increased, such as droughts and floods.
Limiting carbon dioxide emissions is equivalent to limiting energy consumption and will have a restrictive impact on countries around the world.
Whether to reduce emissions in developing countries or “emission reduction” in developed countries has become a focus of discussion in various countries.
The greenhouse gas emissions of developing countries are increasing, and the issue of “emission reduction” after 2013 will inevitably be concentrated in developing countries.
The scientific issue of preventing global warming will inevitably lead to the issue of “North-South relations”, thus making the climate issue an international political issue.
Global warming has increased precipitation in the mainland, especially in the mid-high latitudes, and precipitation has decreased in some areas such as Africa.
In some areas, the frequency and intensity of extreme weather events (El Niño, drought, floods, thunderstorms, hail, storms, hot weather, and sandstorms) increase.
With the increase of global temperature, the amount of water vapor evaporated in the ocean has increased significantly, which has aggravated the warming phenomenon.
The reduction in the overall heat capacity of the ocean can also inhibit global warming. In addition, since the ocean releases excess carbon dioxide into the atmosphere, the real culprit is the plankton community in the ocean.
The impact of global warming on crop growth has its advantages and disadvantages.
First, global temperature changes directly affect the global water cycle, causing drought or flooding in some areas, resulting in reduced crop yields, and too high temperatures are not conducive to seed growth.
Second, the increase in precipitation will actively promote crop growth, especially in arid regions. Increased carbon dioxide levels associated with global warming will also promote photosynthesis of crops, thereby increasing yields.
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Third, the increase in temperature is conducive to increasing the yield of crops that are hot and humid in high latitudes.