Renewable energies except solar electric or thermal (seeforums dedicated below): wind turbines, energy from the sea, hydraulic and hydroelectricity, biomass, biogas, deep geothermal energy ...

Oil, gas, coal, nuclear (PWR, EPR, hot fusion, ITER), gas and coal thermal power plants, cogeneration, tri-generation. Peakoil, depletion, economics, technologies and geopolitical strategies. Prices, pollution, economic and social costs ...

Forum solar photovoltaic PV and solar electricity generation from direct radiation solar energy.

Solar thermal energy in all its forms: solar heating, hot water, choosing a solar collector, solar concentration, ovens and solar cookers, solar energy storage by heat buffer, solar pool, air conditioning and solar cold ..
Aid, counseling, fixtures and examples of achievements ...

crude vegetable oil, diester, bio-ethanol or other biofuels, or fuel of vegetable origin ...

Warming and Climate Change: causes, consequences, analysis ... Debate on CO2 and other greenhouse gas.

Heating, insulation, ventilation, VMC, cooling ... short thermal comfort. Insulation, wood energy, heat pumps but also electricity, gas or oil, VMC ... Help in choosing and implementation, problem solving, optimization, tips and tricks ...

Hi-tech electronic and computer equipment and Internet. Better use of electricity, help with the work and specifications, equipment selection. Presentations fixtures and plans. Waves and electromagnetic pollution.

Help and advice for all work carried out in self building and presentation of your work DIY or self-build. Because making oneself is often econological but beware overconfidence!

Help and advice for your real work in new or renovation, interior or exterior.

Work concerning plumbing or sanitary water (hot, cold, clean or used). Management, access and use of water at home: drilling, pumping, wells, distribution network, treatment, sanitation, rainwater recovery. Recovery, filtration, depollution, storage processes. Repair of water pumps. Manage, use and save water, desalination and desalination, pollution and water ...

And if they were repairing rather than throwing and change? Rediscover the pleasure of the repairs yourself. How to diagnose a problem or find spare parts? Repair itself is way to save money generally!

Construction of natural or ecological habitat: plans, design, advice, expertise, materials, geobiology ... House, construction, heating, insulation: you have just received one or more quotes. Can't choose? State your problem here and we will advise you on the right choice! Help in reading DPE or environmental energy diagnostics. Help with the purchase or sale of real estate.

Organize and arrange your garden and vegetable garden: ornamental, landscape, wild garden, materials, fruits and vegetables, vegetable garden, natural fertilizers, shelters, pools or natural swimming pool. lifetime plants and crops in your garden.

Various experiences made by members of the forums concerning in particular small household appliances and energy management.

Forum dedicated to 3D printing: 3D printing technologies (fdm, lcd, sla ...), hardware, software, slicers, settings, use, database, model exchange, tips and tricks, optimization, exchange of experiences...

Current Economy and Sustainable Development-compatible? GDP growth (at all costs), economic development, inflation ... How concillier the current economy with the environment and sustainable development.

Buying well and choosing a product or service well means, in addition to being satisfied, consuming less and preserving the planet, it is essential in 2021 to buy better! Also the exchange of information and experiences makes it possible to avoid various scams and crooks. In 2021, it is essential to exchange your experiences of use, positive or negative, because the market for products and services for the consumer has never been so abundant in the history of mankind. Helping to choose better is essential because buying better means buying sustainable!

Agriculture and soil. Pollution control, soil remediation, humus and new agricultural techniques.

Discussion of methods of remediation and control air quality.

Consumption and sustainable and responsible diet tips daily to reduce energy and water consumption, waste ... Eat: preparations and recipes, find healthy food, seasonal and local conservation information food ...

Innovations, ideas or patents for sustainable development. Decrease in energy consumption, reduction of pollution, improvement of yields or processes ... Myths or reality about inventions of the past or the future: the inventions of Tesla, Newman, Perendev, Galey, Bearden, cold fusion ...

Humanitarian catastrophes (including resource wars and conflicts), natural, climate and industrial (except nuclear or oil forum fossil and nuclear energy). Pollution of the sea and oceans.

Environmental impact of end of life products: plastics, chemicals, vehicles, agri-food marketing. direct recycling and recycling (upcycling or upcycling) and reuse of good items for the trash!

philosophical debates and companies.

General scientific debates. Presentations of new technologies (not directly related to renewable energies or biofuels or other themes developed in other sub-sectors) forums).

How to stay healthy and prevent risks and consequences on your health and public health. occupational disease, industrial risks (asbestos, air pollution, electromagnetic waves ...), company risk (workplace stress, overuse of drugs ...) and individual (tobacco, alcohol ...).

Books, television programs, films, magazines or music to share, counselor to discover ... Talk to news affecting in any way the econology, environment, energy, society, consumption (new laws or standards) ...

The developments of forums and the site. Humor and conviviality between the members of the forum - Tout est anything - Presentation of new registered members Relaxation, free time, leisure, sports, vacations, passions ... What do you do with your free time? Forum exchanges on our passions, activities, leisure ... creative or recreational! Publish your ads. Classifieds, cyber-actions and petitions, interesting sites, calendar, events, fairs, exhibitions, local initiatives, association activities .... No purely commercial advertising please.

Topics about this forum and the econology in english speaking for people who are not understandable french language.

Transport and new transport: energy, pollution, engine innovations, concept car, hybrid vehicles, prototypes, pollution control, emission standards, tax. not individual transport modes: transport, organization, carsharing or carpooling. Transport without or with less oil.

Cars, buses, bicycles, electric airplanes: all electric transportation that exist. Conversion, engines and electric drives for transport ...

Tips, advice and tips to lower your consumption, processes or inventions as unconventional engines: the Stirling engine, for example. Patents improving combustion: water injection plasma treatment, ionization of the fuel or oxidizer.

Water injection in thermal engines and the famous "pantone engine". General informations. Press clippings and videos. Understanding and scientific explanations on the injection of water into engines: ideas for assemblies, studies, physico-chemical analyzes.

Edits and changes to engines, experiences, findings and ideas.