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Is the cause of global warming related to excessive water and electricity consumption?

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Investigation and reflections on the annual carbon emissions of an ordinary family

An average family’s annual carbon emissions... Thoughts.doc

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Investigation and reflection on the annual carbon emissions of an ordinary family

1. Background and significance of the research

Just started in November For a few days, my father kept complaining, "Why is it still so hot? It doesn't look like autumn at all." Grandma was also worried: "The frost in the 24th solar term has passed, and it should be almost winter. Why is the weather so abnormal?" Dad’s complaints and grandma’s worries aroused my thinking: Yes, according to the ancients, winter is coming soon. Why am I still wearing short sleeves? At this time, I remembered what the teacher said that the global climate is gradually changing. Warming, climate warming has seriously affected human survival, and the number of those cute penguins has also been greatly reduced due to climate warming. So what is the reason why the global climate is gradually warming, and how can we normalize the earth's climate?

After searching on the Internet, we learned that the main cause of climate warming is greenhouse gases (representing the gas carbon dioxide ) caused by excessive emissions. I also learned about the new term "carbon emissions". Carbon emissions is a general term or abbreviation for greenhouse gas emissions. The most important gas among greenhouse gases is carbon dioxide, so it is represented by the word carbon. Although it is not accurate, the fastest way for the public to understand is to simply understand "carbon emissions" as "carbon dioxide emissions." I also learned that: According to a research report by the International Energy Agency (iea), carbon dioxide emissions in 2010 were 30.6 billion tons, the highest level in history, and the agency warned that greenhouse gas emissions should not exceed 320 billion tons per year. billion tons. Therefore, it is urgent to control the growth of global carbon emissions. So, as small citizens of the earth, what should we do?

Low-carbon life must start from me, from my home. First, let’s count the various components of my family’s annual carbon emissions (there are three people in our family), and then analyze how I can reduce my family’s carbon emissions. Quoting a public service announcement from Wenzhou Radio: "No matter how small the power is, it is a kind of support:" 2. Research methods

I plan to use information search, sample surveys, statistics, calculations, etc. in the research process. method.

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3. Research process.

1 (Look for information and find ways to calculate personal carbon emissions.

First of all, I have to think about: In which aspects of our family’s daily life will produce more carbon dioxide? How to calculate the amount?

In order to solve these two problems, I searched online and was pleasantly surprised to find a calculator that can calculate personal carbon emissions. It is supervised by the Beijing Forestry Carbon Sequestration Office. , the formula in the personal carbon emission calculator developed by it is based on the formula jointly produced by the United Nations and some environmental organizations, using China's local statistical data and conversion factors, making the calculation more in line with China's national conditions and more accurate. Reflects a person's actual carbon emissions, which lists the details of our five aspects of life including clothing, food, housing, transportation, and use:

For example, clothing (number of clothes purchased, amount of washing powder used), food (number of cigarettes, number of liquor drinks, number of beer drinks, meat consumption, food consumption), housing (electricity, gas, natural gas, coal, central heating, decoration - the amount of wood, decoration - the amount of aluminum), industry (Planes, ships, trains, subways, buses, low fuel consumption, medium fuel consumption, high fuel consumption cars), use (disposable chopsticks, plastic bag usage) and other aspects. Moreover, the carbon dioxide consumed by each item is 100%. There are corresponding calculation formulas.

Wow, that’s great! As long as I count the consumption of the above items for our family for a year, I can substitute it into the formula of the carbon emission calculator to calculate the carbon dioxide for the whole family for a year. Emissions.

Here are some calculation methods:

Carbon dioxide emissions from household electricity (kg) = kWh of electricity consumed × 0.785;

Driving a car Carbon dioxide emissions (kg) = liters of fuel consumption × 0.785;

Carbon dioxide emissions by plane (kg):

Short-distance travel: within 200 kilometers = kilometers × 0.275;

Mid-distance travel: 200 to 1000 kilometers = 55+0.105× (km-200);

Long-distance travel: more than 1000 kilometers = kilometers×0.139

<. p>Carbon dioxide emissions from train travel = kilometers × 0.04

Carbon dioxide emissions from meat (kg) = kilograms × 1.24.

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(For details, please check /zt/2009/chooseearth/tanzuji.htm) 2. Collect relevant data and classify and calculate household carbon emission projects.

The content covered by the carbon emission calculator includes five aspects: clothing, food, housing, transportation, and use. There are 26 items in total. After careful analysis, 9 of them are not available in our family. Consumption (including housing decoration, smoking, etc.), the most important factors related to our family include the following 15 items: the number of pieces of clothes purchased, the amount of washing powder used, the amount of liquor drunk, the amount of beer drunk, meat consumption, grain consumption, consumption Usage of electricity, natural gas, airplanes, trains, buses, low-fuel consumption cars, disposable chopsticks, paper products, and plastic bags.

For statistical purposes, I divided my family’s carbon emission projects into the following three categories for statistics: (1) For “easy to count and clear” data, it can be collected directly based on relevant charge sheets, dashboards, etc. For example, natural gas, electricity consumption, mileage of my dad's car, mileage by plane, mileage by train, mileage of long-distance buses, number of pieces of clothing purchased, etc. are calculated in units of years. Data were collected through the main methods of checking natural gas and electricity bill bills, measuring with car odometers, and conducting surveys.

Then substitute the relevant amount obtained for one year into the formula to calculate the results as shown in Table 1:

Content numerical annual carbon emission description

(kg)

Electricity consumption 7320 degrees 7027.2 According to the electric meter, natural gas 86 cubic meters 61.06 According to the gas meter, the mileage of the car is 10,000 kilometers 1561 According to the odometer, the mileage by plane is 2856 kilometers 396.98 The mileage by train from Wenzhou to Beijing is 914 kilometers 7.86 Wenzhou The long-distance bus mileage to Xiapu is 7340 kilometers 95.42. There are two round-trips from Wenzhou to Ningbo, two round-trips from Wenzhou to Hangzhou, two round-trips from Wenzhou

to Lin'an, and Wenzhou There are 8 round trips to Tengjiao

Wenzhou to Fujian

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Round trip to Little Egret Beach. The number of clothes purchased was 71 pieces, 454.4. Mom bought 28 pieces, Dad bought 18 pieces, and I bought 25 pieces, totaling 9604.4

(Table 1)

( 2 ) For data on "difficult to access and relatively scattered events", the data will be recorded regularly this month and a sampling survey method will be used. Try to develop appropriate individual data as a sample for the whole year, and then use this sample as the monthly average usage to estimate the situation for the whole year (this is because the research time of this paper is limited). For example: From November 12th to December 11th, my household uses about 1kg of laundry detergent per month. Then the carbon emissions calculated according to the above formula are 0.72kg, then the annual carbon emissions are 0.7 2 × 12 = 8.7 (kg).

The usage of laundry detergent, food consumption, and paper products are calculated in monthly units, as shown in Table 2. Contents, values, monthly carbon emissions, and annual carbon emissions

(kg) (kg) Use of washing powder 1kg 0.72 8.7 Food consumption 45kg 42.3 507.6 Use of paper products 5kg 17.5 210 Total 726.3

(Table 2)

(3) For food Most of the projects of , operation and use require more detailed records and statistics to be concluded. I used a diary to record the actual month (November 12th-----December 11th). Through this month, the carbon dioxide emissions to calculate annual emissions.

The format of the diary is shown in Table 3

Time

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Quantity of content

Quantity of liquor consumed

Amount of beer consumed

Meat consumption

Disposable chopsticks

Amount of plastic bags used

Taking the bus ***Car mileage

(Table 3)

(See attachment for diary excerpts)

Table 4 below is a statistical table based on 5 days , summarized once a month.

Time 11.12 11.17 11.22 11.27 12.2 12.7 Total carbon emissions

Total amount content—11.16 —11.21 —11.26 —12.1 —12.6 —12.11 Drink white 0.3kg 0.2kg 0.2kg 0.3kg 0 0.4kg 1.4kg 2.8kg Number of wine

Quantity

Drink beer 1 2 3 2 4 0 12 bottles 2.4kg Number of wine

Quantity

Meat 5kg 6kg 4kg 4.5kg 7kg 5kg 31.5kg 44.1kg Consumption

One time 8 pairs 7 pairs 8 pairs 6 pairs 5 pairs 9 pairs 43 pairs 0.99kg Sex chopsticks

Sub

Plastic 30 pcs 26 pcs 28 pcs 27 pcs 26 pcs 25 pcs 162 pcs 0.02kg bag use

Amount

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