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  2. Carbon footprint - Wikipedia

    en.wikipedia.org/wiki/Carbon_footprint

    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 ...

  3. Health and environmental impact of transport - Wikipedia

    en.wikipedia.org/wiki/Health_and_environmental...

    Cycling has a low carbon-emission and low environmental footprint. A European study of thousands of urban dwellers found that daily mobility-related CO 2 emissions were 3.2 kg (7.1 lb) of CO 2 per person, with car travel contributing 70% and cycling 1% (including the entire lifecycle of vehicles and fuels).

  4. Dopplr - Wikipedia

    en.wikipedia.org/wiki/Dopplr

    Dopplr was a free social networking service, launched in 2007, [1] that allowed users to create itineraries of their travel plans and spot correlations with their contacts' travel plans in order to arrange meetings at any point on their journey. Additional features included allowing the user to calculate the carbon footprint their journeys have ...

  5. Greenhouse gas emissions - Wikipedia

    en.wikipedia.org/wiki/Greenhouse_gas_emissions

    A carbon footprint (or greenhouse gas footprint) is a calculated value or index that makes it possible to compare the total amount of greenhouse gases that an activity, product, company or country adds to the atmosphere. Carbon footprints are usually reported in tonnes of emissions (CO 2-equivalent) per unit of comparison.

  6. CoolCalifornia.org - Wikipedia

    en.wikipedia.org/wiki/CoolCalifornia.org

    CoolCalifornia.org offers a variety of resources for all types of Californians looking to reduce their impact on the environment. Such resources include: carbon calculators, [4] ideas and tips to save money, case studies of small businesses and local governments that have "gone green," lists of rebate programs, and resource lists linking to other websites.

  7. Sustainability metrics and indices - Wikipedia

    en.wikipedia.org/wiki/Sustainability_metrics_and...

    The algorithms of ecological footprint accounts have been used in combination with the emergy methodology (S. Zhao, Z. Li and W. Li 2005), and a sustainability index has been derived from the latter. They have also been combined with a measure of quality of life , for instance through the " Happy Planet Index " (HPI) calculated for 178 nations ...

  8. Food miles - Wikipedia

    en.wikipedia.org/wiki/Food_miles

    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]

  9. GREET Model - Wikipedia

    en.wikipedia.org/wiki/GREET_Model

    The R&D GREET model is specified in the Inflation Reduction Act of 2022 §45V [1] as the methodology to calculate the life cycle greenhouse gas emissions "through the point of production (well-to-gate)" when determining the level of tax credit for clean Hydrogen production until a successor is approved by the Secretary of the Treasury.

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