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The carbon footprint explained Comparison of the carbon footprint of protein-rich foods [1]. A formal definition of carbon footprint is as follows: "A measure of the total amount of carbon dioxide (CO 2) and methane (CH 4) emissions of a defined population, system or activity, considering all relevant sources, sinks and storage within the spatial and temporal boundary of the population, system ...
The book is written by British writer and academic Mike Berners-Lee, who acknowledges throughout the book his use of estimates and imperfect calculations. [1] [2] It was first published in 2010; a second edition was published in the UK in 2020, and an "Updated North American edition", retitled The Carbon Footprint of Everything, in 2022.
Water footprinting and carbon footprinting are also used to compare the impacts of different food choices. This type of comparison is commonly used to differentiate between products that have high environmental footprints and their alternatives, like dairy [5] and meat. [6] [7]
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The meat from ruminants has a higher carbon equivalent footprint than other meats or vegetarian sources of protein based on a global meta-analysis of lifecycle assessment studies. [37] Small ruminants such as sheep and goats contribute approximately 475 million tons of carbon dioxide equivalent to GHG emissions, which constitutes around 6.5% of ...
The carbon footprint is a component of the total ecological footprint. Often, when only the carbon footprint is reported, it is expressed in weight of CO 2 (or CO2e representing GHG warming potential (GGWP)), but it can also be expressed in land areas like ecological footprints. Both can be applied to products, people, or whole societies.
The world's first carbon label, the Carbon Reduction Label, shows the carbon footprint embodied in a product and was first introduced in the UK in 2006 by the Carbon Trust. [1] Examples of products featuring their carbon footprint are Walkers Crisps, Kingsmill bread, British Sugar, Cemex cement, Marshalls paving and Quaker Oats, which have all ...
For example, consumers can significantly reduce the carbon footprint of the last mile by walking, bicycling, or taking public transport. Another impact is that goods being transported by large ships very long distances can have lower associated carbon emissions or energy use than the same goods traveling by truck a much shorter distance. [41]