All articles starting with E
17,681 articles
Ecogas México
Ecogas México is a Mexican natural gas distribution utility serving Mexicali, Chihuahua, and La Laguna-Durango. It grew from the first private gas distribution permit, granted in 1996.
EcoHealth
EcoHealth, or ecosystem approaches to health, is a transdisciplinary field linking ecosystem health and human well-being; emerged from IDRC work in the 1990s, with the Springer journal EcoHealth founded in 2004 and the IAEH in 2006.
Ecolab
Ecolab Inc., formerly Economics Laboratory, is a St. Paul, Minnesota company selling cleaning, sanitizing, water treatment, and pest elimination products and services in more than 170 countries, with $16.1 billion in 2025 sales.
Ecolabel
Ecolabel: voluntary certified environmental label (FAO definition; ISO Type I/II/III), exemplified by MSC (19.5% of wild marine catch), ASC, EU Ecolabel; covers verification chain, costs, controversies, and 2024-2025 EU regulation.
Ecoland Theme Park
Ecoland Theme Park (에코랜드테마파크), also called Eco Land, is a forest theme park in Gyorae Gotjawal, Jocheon-eup, Jeju, South Korea, where visitors ride UK-built Baldwin locomotive replicas about 4.5 km through Gotjawal forest across themed stations.
Ecole de Surf Atlantic Surf Lodge
Atlantic Surf Lodge (école de surf) is a surf camp and surf school in Vieux-Boucau, Landes, France, open since 2008, 800 m from the beach, with DWV-recognized courses, max 8 students per coach, and rooms from €290/week.
Ecole de Surf Cote Francaise Vieux Boucau
ESCF Vieux Boucau (Ecole de Surf Côte Française) is a surf school on the Plage des Sablères in Vieux-Boucau-les-Bains, Landes, France, part of the ESCF collective founded in 1998, offering 1h30 lessons from 45 €, stages, coaching, and rental from Easter to Toussaint.
Ecole de Surf de Bretagne
Ecole de Surf de Bretagne (ESB), also Twenty-Nine Surf Company, is a Breton surf school network founded 1994 at La Torche by Ronan Chatain and Didier Tirilly, the first surf school in Brittany, now ten schools under the ESB label.
Ecole de Surf du Sud
Ecole de Surf du Sud, also listed as Ecole de surf du sud Oxbow, is a surf school at Étang-Salé, Réunion Island, run by Mikael Legras, listed in the 2017 IRT guide and 2008 labeled-schools directory, later renamed Nautik'Aventure Réunion.
Ecole de Surf Lacabana
Ecole de Surf Lacabana (Maosurfboards) is a surf school at Camping Du Moisan, Messanges, Landes, France, run by shaper Mao; 1h30 lessons from 40 EUR, max 8 per group, boards and wetsuits included.
École des Beaux-Arts
The École des Beaux-Arts is the historic French national school of fine arts in Paris, formed in 1797 from royal academies and now known as the Beaux-Arts de Paris.
École des Ponts ParisTech
École des Ponts ParisTech, officially École nationale des ponts et chaussées (ENPC), is a French grande école founded in 1747 to train state engineers for bridges and roads.
École lyonnaise
The École lyonnaise (Lyon school) is a group of humanist poets active in Lyon around 1535 to 1555, led by Maurice Scève, Pernette du Guillet, and Louise Labé.
École nationale d'administration
École nationale d'administration (ENA), French school founded 9 October 1945 under de Gaulle to recruit and train senior civil servants; based in Paris then Strasbourg; replaced by the INSP on 1 January 2022.
École Polytechnique
École Polytechnique, informally called l'X, is a French public institution for engineering and science founded in 1794 during the Revolution, located in Palaiseau south of Paris.
École Polytechnique Fédérale de Lausanne
École Polytechnique Fédérale de Lausanne (EPFL) is a Swiss federal institute of technology in Lausanne, founded in 1853 and one of Europe's largest institutions of technology.
École Polytechnique massacre
Antifeminist mass shooting at Montreal's École Polytechnique on 6 December 1989, in which Marc Lépine, 25, with a .223 Sturm-Ruger rifle, killed 14 women before killing himself; it drove Canadian gun control and December 6 national remembrance.
École supérieure de journalisme de Lille
The École supérieure de journalisme de Lille (ESJ Lille) is a private French journalism school founded in 1924, the oldest recognized by the profession in France.
Ecological effects of dam removal
Dam removal sets off sediment release, channel recovery, fish recolonization, and vegetation growth on former reservoir beds, as seen at the Elwha and Klamath rivers.
Ecological evolutionary developmental biology
Ecological evolutionary developmental biology, commonly abbreviated Eco-Evo-Devo, is a field of biology that incorporates interactions between an organism's genes, its development, and its environment into evolutionary theory, covering plasticity and niche construction.
Ecological fallacy
The ecological fallacy is the error of treating a relationship observed between groups as holding for the individuals within them, as in Robinson's 1950 census study.
Ecological footprint
Ecological footprint: an accounting measure in global hectares of a population's demand on biocapacity, created by Rees and Wackernagel in the early 1990s; distinct from the carbon footprint, which is its largest component, and from planetary boundaries and material footprint.
Ecological functions of flavonoids in plants
Flavonoids are a family of over 9,000 plant secondary metabolites that screen ultraviolet radiation, color flowers, deter herbivores and microbes, and mediate signaling with symbiotic rhizobia.
Ecological momentary assessment
Ecological momentary assessment (EMA) is a data-collection method in which participants repeatedly report their current thoughts, feelings, and behaviors in real time as they go about daily life.
Ecological momentary intervention
Ecological momentary intervention (EMI) is a treatment delivered to people in real time in their everyday settings, typically via a smartphone, and named by Heron and Smyth in 2010.
Ecological network analysis
Ecological network analysis is an ecosystem science method that models who eats whom and at what rate, quantifying flows, cycling, and ascendency in food webs of 6 to 60 compartments.
Ecological niche
Ecological niche: the n-dimensional set of biotic and abiotic conditions allowing a species to persist (Hutchinson's hypervolume). Distinguishes fundamental from realized niche; basis of competitive exclusion, resource partitioning, and species distribution models.
Ecological niche model
An ecological niche model (ENM), also called a species distribution model, relates species occurrence records to environmental variables to predict suitable habitat across space and time.
Ecological pyramid
Ecological pyramid (trophic or Eltonian pyramid): graphical representation of ecosystem trophic structure, producers at base, consumers at apex. Three types: numbers, biomass, energy; only the energy pyramid is always upright.
Ecological role of tube-dwelling polychaetes
Tube-dwelling polychaetes are sedentary marine annelid worms that cement sand and shells into permanent tubes, building reefs such as Sabellaria formations that stabilize sediment, filter large volumes of water, and sometimes foul pipelines.