Greenhouse Effect:energy saving products

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  • Date:2023/05/31

Greenhouse Effect

In recent years, the issue of global climate change has received increasing attention. The main reason for this phenomenon is the continuous release of greenhouse gases such as carbon dioxide and methane into the atmosphere. These gases absorb heat and cause global temperatures to rise, which may have far-reaching destructive consequences for the Earth and its inhabitants.


Greenhouse effect refers to the heat preservation effect caused by the lack of thermal convection between the sunlight transmitting confined space and the outside world, that is, the solar short wave radiation can be emitted into the ground through the atmosphere, while the long wave radiation emitted after the ground is warmed is absorbed by carbon dioxide and other substances in the atmosphere, thus producing the effect of atmospheric warming. The carbon dioxide in the atmosphere is like a thick layer of glass, turning the Earth into a large greenhouse.


The greenhouse effect (atmospheric effect) is the insulation effect of the atmosphere on the lower atmosphere and surface. Due to the ability of carbon dioxide, methane, ozone, nitrous oxide, chlorofluorocarbons, and water vapor in the atmosphere to absorb longwave radiation from space and intercept longwave radiation emitted from the surface, the temperature of the lower atmosphere and surface increases. The atmosphere has the effect of making it easier for radiation from the sun to penetrate and reach the ground, but not easy for a large amount of ground long wave radiation to escape into space, resulting in a higher Earth temperature than in the absence of an atmosphere.


If there were no atmosphere, the average surface temperature would drop to -23 ℃, while the actual average surface temperature is 15 ℃, which means that the greenhouse effect increases the surface temperature by 38 ℃. The increase in the concentration of carbon dioxide in the atmosphere prevents the loss of heat from the Earth, causing a noticeable increase in temperature, which is known as the "greenhouse effect".


Main impacts

1: Climate impact: Greenhouse gases effectively absorb infrared radiation emitted by the same gases and clouds on the Earth's surface and atmosphere. Atmospheric radiation is emitted in all directions, including towards the Earth's surface below. Greenhouse gases capture heat within the ground troposphere system. This is known as the 'natural greenhouse effect'.

2: Environmental impact: Global warming: An increase in greenhouse gas concentration will reduce infrared radiation emitted into outer space, and therefore the Earth's climate needs to shift to achieve a new balance in the amount of radiation absorbed and released. This transformation can include 'global' warming of the Earth's surface and lower atmosphere, as it can release excess radiation

3:An increase in diseases and pests on Earth:The greenhouse effect can pose a threat to humans with prehistoric deadly viruses. US scientists have warned that due to global warming melting the Arctic ice, the prehistoric deadly virus, which has been frozen for over 100000 years, may reappear

4:Sea level rise:The first type is the expansion of seawater by heat, which causes the water level to rise. The second type is the dissolution of glaciers and ice blocks in Greenland and Antarctica, which increases ocean water content. The expected average sea level rise on Earth from 1900 to 2100 is between 0.09 meters and 0.88 meters.

5:Land desertification:According to a survey by the United Nations Environment Programme (UNEP), in the southern part of the Sahara Desert, the desert expands by approximately 1.5 million hectares annually. 6 million hectares of land worldwide experience desertification every year

6:Hypoxia:The molar mass of greenhouse gases is greater than that of oxygen. After all countries in the world exploit and use the energy inside the earth, the final environmental state on the earth will be similar to that of the earth 1 billion years ago. At that time, wild animals and humans will not survive


Mitigating The Greenhouse Effect

1. Energy saving

2. Save water resources

3. Save paper

4. Reduce exhaust emissions

5. Garbage classification and treatment


There are multiple ways to reduce carbon dioxide emissions in daily life.


By 2022, global energy related CO2 emissions have increased by 0.9% or 321 Mt, reaching a new high of over 36.8 Gt. After two consecutive years of abnormal fluctuations in energy use and emissions caused by the Covid-19 pandemic, last year's growth was far lower than the rebound of over 6% in 2021. The emissions from energy combustion increased by 423 metric tons, while the emissions from industrial processes decreased by 102 metric tons.


In a year of energy price shocks, rising inflation, and disruptions in traditional fuel trade flows, although many countries have shifted from natural gas to coal, global emissions growth has been lower than people are concerned about. The increased deployment of clean energy technologies such as renewable energy, electric vehicles, and heat pumps has helped prevent an additional 550 metric tons of CO2 emissions. Industrial production reduction, especially in China and Europe, has also avoided additional emissions.


Another important way to reduce the greenhouse effect is to use a heat pump system. These systems aim to transfer heat from one location to another and use the least amount of energy during this process. In winter, air energy water heat pumps can extract heat from outdoor air and transmit it indoors, effectively heating our homes without relying on fossil fuels. In summer, they can reverse this process by extracting heat from our homes and transferring it outdoors, keeping us cool.


In addition to using heat pumps and sustainable energy practices, we can also take many other measures to reduce carbon footprint and mitigate the impact of climate change. For example, we can reduce the consumption of disposable plastics, support policies that promote sustainable development and reduce greenhouse gas emissions, and plant trees to absorb carbon dioxide.


By utilizing electricity to utilize environmental heat from the ground, water, or air, heat pumps can provide useful heat, with only one-third to one-fifth of the electricity used in traditional electrical equipment. Considering the national power generation portfolio in 2021, four fifths of the global space and water heating needs can be met with lower CO2 emissions through the use of heat pumps instead of condensing gas boilers.


Due to the continuous improvement of heat pump energy performance and the reduction of carbon intensity in power generation, this potential coverage rate has significantly improved compared to the 50% level in 2010. In the net zero scenario, the rapid reduction of electricity supply emissions and the improvement of technological efficiency mean that by 2025, the CO2 emissions of heat pumps will be lower than those of condensing boilers burning natural gas in all regions.


Due to their reliance on electricity for operation, heat pumps have less impact on our environment and generate less harmful emissions compared to natural gas systems. An analysis has found that by 2050, the widespread use of heat pumps in Mississippi can reduce greenhouse gas (GHG) emissions by more than 25% throughout the city. This may result in over 2 million metric tons of greenhouse gas emissions reduction, equivalent to reducing over 400000 gasoline powered vehicles on the road. The use of heat pumps will also significantly improve air quality.


Main Countermeasures For Greenhouse Effect


1: Comprehensive ban on chlorofluorocarbons: In fact, efforts are being made globally in this direction, making this case the most likely to be implemented. If this case can be achieved, it is estimated that it can exert a suppression effect of about 3% on the warming of the Earth by 2050.

2: Countermeasures for protecting forests: Today's global forests, mainly tropical rainforests, are being continuously and rapidly damaged by human activities. The effective response strategy is to quickly stop this uncontrolled forest destruction, and on the other hand, implement large-scale afforestation work to promote forest regeneration. The amount of carbon dioxide released into the atmosphere due to forest destruction is estimated to be around 1-2 tons per year. If countries seriously promote plans to control deforestation and forest regeneration, by 2050, it may cause the entire biosphere to absorb the equivalent of 0.7 tons of carbon dioxide per year. As a result, the greenhouse effect can be reduced by about 7%.

3. Improvement of Automotive Fuel: Japanese cars have achieved technological advancements in this area, significantly improving the fuel consumption situation of the past. But in places such as the United States, perhaps due to abundant oil reservoirs, there have been no obvious signs of improvement in oil saving design, and the situation of excessive oil consumption is still maintained. Therefore, the cars produced in the region have ample room for improvement in fuel design. The reduction in fossil fuel consumption caused by this effort is estimated to reduce the greenhouse effect by about 5% by 2050.

4. Improving energy efficiency: To improve energy efficiency in various other situations. Today, human life is using a large amount of energy everywhere, especially in residential and office heating and cooling equipment. Therefore, there is still significant room for improvement in improving energy efficiency, which is expected to have a suppression effect of around 8% on the warming of the Earth by 2050. In this way, it may encourage manufacturers and consumers to be vigilant when using energy and avoid unnecessary waste. And its tax revenue can be used for forest protection and the development of alternative energy sources

5: Restrictions on fossil fuels: Once any fossil fuel is burned, it will emit carbon dioxide. The emissions will vary depending on the type of fossil fuel used. Due to the main component of natural gas being methane, its carbon dioxide emissions are lower than those of coal and oil.

6: Encourage the use of natural gas: Encourage the use of natural gas as the main energy source. Because natural gas emits less carbon dioxide. Japanese cities have also generally switched to using natural gas instead of liquefied gas, and this case aims to further promote this movement. The effect of inhibiting warming is not very significant, at most only about 1%.

7: Exhaust limitation of steam locomotives: Due to the large amount of nitrogen oxides and carbon monoxide in the exhaust of steam locomotives, it is hoped to reduce their emissions, which can share a suppression effect of about 2% on warming by 2050.

8: Encourage the use of solar energy:such as promoting the so-called 'Sunshine Plan'. Efforts in this regard can lead to a relative reduction in fossil fuel usage, thus having a direct effect on reducing greenhouse effects. However, even if this plan is actively promoted, it will only have a restraining effect of about 4% on the warming up to 2050. The effect seems to have fallen short of people's expectations.

9: Develop alternative energy: use bioenergy Energy as a new clean energy. That is, using organic matter produced by plants through photosynthesis as fuel to replace existing high polluting energy sources such as oil.

Why is heat pump important to help achieve net zero emissions?


About 40% of global emissions come from buildings, with the majority coming from the heating methods of our homes and businesses.In order to achieve net zero carbon emissions and address climate change, we need to shift from relying on high carbon fuels for heating to cleaner, low-carbon or zero carbon alternatives.


Heat pumps will help achieve this goal for two main reasons:


The design purpose of a heat pump system is to extract more heat energy from the surrounding environment than it consumes to generate heat. They generate two to three times more heat output than the electricity input they consume.


As more and more electricity comes from renewable energy sources such as solar or wind, the electricity used to drive heat pumps itself has become cleaner.





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