It is usually expressed in equivalent ton carbon dioxide (CO2). For example, when you drive a car, the vehicle's engine consumes fuel that produces a certain amount of CO2, depending on driving distance and fuel consumption. When you heat your home with oil, gas or coal, you produce CO2. Even if you heat your home with electricity, a certain amount of CO2 may have been released during the production of electrical energy. When you buy food and goods, some CO2 is released in the production of food and products. Your carbon footprint is the sum of all CO2 emissions you cause in your various activities over a given period of time. Usually the carbon footprint is calculated for a year. We can divide the carbon footprint into primary carbon footprint and secondary carbon footprint. Primary Carbon Footprint Primary carbon footprint is a measure of carbon gas emissions caused by direct actions by individuals. The biggest factor affecting the primary carbon footprint is fuel consumption for transport and energy production.

Here are some examples of the effects of fuels burned on different types of transport on carbon footprint. Short-haul (less than 463 km) flights in air transport emission 257 g / km OF CO2, while long-haul flights emit 113 g/km CO2. In land transport, there is co2 emissions of 109 g /km per kilometer for each passenger. This amount is 280 g / km CO2 in trucks, 175 g / km CO2 in light commercial vehicles, 127 g / km CO2 in newly registered passenger cars, 116 g / km CO2 in trains, 92 g / km CO2 emissions in hybrid electric vehicles. In maritime transport, CO2 emissions per kilometer for passengers by ferry are around 0.22 kg. However, these rates may vary depending on the type of ship used

Ways to Reduce Primary Carbon Footprint
1. Use public transport as much as possible
2. Regular vehicle maintenance
3. Using vehicles with low fuel consumption
4. Walking or cycling over short distances
5. Using renewable energy sources such as solar, wind
6. Make the most of daylight as possible
BC Payattention to thermal insulation in homes and businesses

secondary Carbon Footprint
secondary carbon footprint is the amount of emissions resulting from the consumption of products and services. Many organizations offer carbon footprint calculators to the public and private companies, and some organizations have calculated the carbon footprints of many products. The U.S. Environmental Protection Agency has mentioned paper, plastic, glass, tin cans, computers, carpets and tires. Australia has been interested in timber and other construction materials. Academics in Australia, Korea and the United States have discussed paved roads. Some nonprofits and academics have covered mailing letters and packages. Carnegie Mellon University has calculated the CO2 footprints of 46 major economic sectors in each of the eight countries.

Evaluating the package of some products is the key to finding a carbon footprint. The most important way to determine the carbon footprint is to look at the materials used to make the item. For example, a juice box is made of aseptic cardboard, beer can made of aluminum, and some water bottles are made of glass or plastic. The bigger the size, the bigger the carbon footprint.
A study conducted in England looked at the diets of the British people and predicted carbon footprint scars depending on their diet. Daily average carbon footprint; for those who consume too much meat
7.19 kg for medium-sized meat drinkers
5.63 kg for those who consume small amounts of meat
4.67 kg, 3.91 kg for fish drinkers and 3.81 kg for vegetarians. The carbon footprint of different textile materials varies significantly according to a wide range of factors- what. Textile production studies in Europe, co2 emissions per kilo of material at the point of purchase by a consumer; 7 in cotton, 5.43 in nylon, 5.55 in PET and 5.48 in wool.

Construction Sector
The cement industry accounts for approximately 5% of global CO2 emissions. Cement is the main component of concrete, which forms the foundations and structures of the buildings in which we live and work. Concrete is the second most consumed substance on Earth after water. On average, every year, three tons of concrete are consumed by every person on the planet.

While "cement" and "concrete" are often used interchangeably, concrete is actually the final product made of cement. The main component of cement is limestone. To produce cement, limestone and other clay-like materials are heated in an oven at 1400°C and then ground to form a lumpy, solid substance called clinker. The clinker is then combined with gypsum to form cement.
Energy and emission density are high depending on the extreme temperature required for cement production. Producing a ton of cement requires 400 kg of energy equivalent to coal and produces about one ton of CO2. Given its high emissions and critical importance to society, cement has an important place to reduce CO2 emissions.

Ways to Reduce Secondary Carbon Footprint
1. Not to buy products from distant countries
2. Not to consume overpackaged products
3. Throwing paper, plastic and glass waste into recycling bins

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