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Lexicon E to H

Ecogestures : Each one of us can make ecogestures. They reduce pollution and in fact improve the environment. They form the good practices of daily ecology (or practical ecology). They must be adapted to the habits and customs of the countries.                               
Ecosystem : Basic ecological unit of the environment (biotope) and the organisms living in it (biocenosis). For example, marine environments, deserts, mountains and forests are ecosystems.                              
Greenhouse effect : Heating of the earth (surface) and the atmosphere (lower layers), created by the absorption and return of part of the infrared radiation of certain gases emitted by the earth and the compensation of the sun's radiation absorbed by it.                                          
Rebound Effect : This is the difference between the positive side of energy efficiency such as building insulation, improved heating systems, and more fuel-efficient vehicles, and the negative side of increased use such as higher temperatures in homes and longer travel distances. The beneficial effect of efforts in terms of ecological economy is therefore cancelled out by an increase in consumer habits and customs.                                           
Grey energy : Also called embodied energy, is the amount of energy used throughout the life cycle of a material or equipment. The stages are: production, extraction, transformation, manufacturing, transport, implementation, maintenance and recycling. This is masked, non-direct energy (as opposed to easily traceable use). Grey energy is human, animal, electrical, thermal, etc... The sum of these factors can determine the need for a product throughout its life cycle. The knowledge of these calculations will guide the consumer towards a reduction of the environmental impact thus generated.     
Digital divide : A digital divide corresponds to the differences in access between people who have the possibility of accessing digital (via devices or connection options) and those who do not. 
Green Tech : The Green Tech community, initiated by the Ministry, is a new approach by the collective to better achieve sustainable development objectives. The fusion of digital and green transition has created a community of values, supported by smart grids and data sharing. A new development model, accelerator of technological innovation and promoter of wealth and employment is emerging thanks to GreenTech verte. A new kind of digital and ecological thinking in a nutshell.  
Hacker : In French hacker, computer expert in researching techniques to divert the protections of software and hardware. His motivations may be curiosity, the search for recognition or glory, his political awareness or even remuneration.    
Digital Humanities : Still called digital humanities, is a set of research and pedagogy in computer science, art, literature, humanities and social sciences. Its methods are based on the use of digital tools, online and offline, while integrating new digital uses as well as more classical subjects of study.