empreinte fossile wikipedia - EAS
- La paléoichnologie (du grec : palaios, ancien ; ιχνος, ikhnos, empreinte, trace ; logos, étude, discours, science ; il s'agit donc, littéralement, de la science des traces anciennes) est le domaine de la paléontologie étudiant les traces d'activité biologique fossilisées (ichnofossiles).fr.wikipedia.org/wiki/Pal%C3%A9oichnologie
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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 or activity of interest. See more
A carbon footprint is the total greenhouse gas (GHG) emissions caused by an individual, event, organization, service, place or product, expressed as carbon dioxide equivalent (CO2e). Greenhouse gases, including the … See more
Three studies concluded that hydroelectric, wind, and nuclear power produced the least CO2 per kilowatt-hour of any other electricity sources. These figures do not include emissions due to accidents or terrorism. Wind power and solar power emit … See more
Human activities are one of the main causes of greenhouse gas emissions. These increase the earth's temperature and are emitted from the … See more
An individual's, nation's, or organization's carbon footprint can be measured by undertaking a GHG emissions assessment, a life cycle assessment, or other calculative activities denoted as carbon accounting. Once the size of a carbon footprint is … See more
This section gives representative figures for the carbon footprint of the fuel burned by different transport types (not including the carbon … See more
Several organizations offer footprint calculators for public and corporate use, and several organizations have calculated carbon footprints of products. The US Environmental … See more
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