Passive Solar Design: Green Energy For Air Conditioning and Heating

Passive solar design is a method to collect solar energy using windows, walls, floors etc and distribute it to the room during winters to maintain considerably high temperature than outside or reject it to maintain inside temperature considerably cool during summer thus providing a natural air-conditioning system. The system does not require any mechanical or […]

Biomass Conversion Technologies

Biomass conversion technologies can be tailored for rural or urban environments, and utilized in domestic, commercial or industrial applications. A wide range of technologies are available for realizing the potential of biomass as an energy source, ranging from very simple systems for disposing of dry waste to more complex technologies capable of dealing with large amounts […]

Greening Your Roofs

Green roofs are emerging technologies that can provide a wide range of tangible and intangible benefits to communities interested in enhancement of their environment. Green roof development involves the construction of a vegetative layer on top of a human-made structure or building adding green spaces to areas that would otherwise be unused.  The major benefits […]

Benefits of Anaerobic Digestion

Anaerobic digestion is a well-proven and widely popular organic waste management technology having multiple environmental, energy, economic and social benefits. Anaerobic digestion (also known as AD)  is the natural biological process which stabilizes organic waste in the absence of air and transforms it into biofertilizer and biogas. It is a reliable technology for the treatment […]

Cane Trash As Bioenergy Resource

Sugarcane is among the most ideal of bioenergy energy feedstocks in terms of efficiency and flexibility, providing gaseous, liquid and solid fuels. It offers the potential for climate change mitigation through substitution for fossil fuels without the need for excessive subsidies or expensive infrastructure development. Sugar industry can make a substantial contribution to the bioenergy […]

Combined Heat and Power (CHP) Systems

Combined Heat and Power (CHP) is the simultaneous generation of multiple forms of useful energy (usually mechanical and thermal) in a single, integrated system. In conventional electricity generation systems, about 35% of the energy potential contained in the fuel is converted on average into electricity, whilst the rest is lost as waste heat. CHP systems […]

Applications of Biogas

The most common method for utilization of biogas in developing countries is for cooking and lighting, especially in rural areas. Conventional gas burners and gas lamps can easily be adjusted to biogas by changing the air to gas ratio. Burning biogas in a boiler is an established and reliable technology. Low demands are set on the […]

Can Families Really Save Both Money and Energy

Green energy technologies have brought many improvements and opened up numerous possibilities, enabling small businesses and households to generate their own power and even make profit, all the while preserving the environment. But just like all other technologies, they too have their drawbacks. Green energy technologies rely on generating electricity using renewable resources, such as […]

Output from a Biogas Plant

A biogas plant produces two outputs, biogas and digestate; both can be further processed or utilized to produce secondary outputs. Biogas can be used for producing electricity and heat, as a natural gas substitute and also a transportation fuel. A combined heat and power plant system (CHP) not only generates power but also produces heat […]

Heat Impacts of Climate Change

2016 was the hottest year in world’s history. The strong El Niño marched forward in 2016, raising the possibility that 2017 will again set a global temperature record. The El Niño pattern is also disturbing the circulation of the atmosphere, contributing to worldwide weather extremes that may include a drought in many countries, threatening the […]

Overview of Biomass CHP

Biomass CHP is the simultaneous generation of multiple forms of useful energy (usually mechanical and thermal) in a single, integrated system using biomass wastes. Biomass conversion technologies transform a variety of wastes into heat, electricity and biofuels by employing a host of strategies. Conversion routes are generally thermochemical or biochemical, but may also include chemical and physical. […]

Biogas from Food Waste

Food waste management is a big problem in all countries, especially affluent ones. There are numerous places which generate large amounts of food waste including hotels, restaurants, malls, residential societies, canteens, airline caterers, markets etc. A proper food waste management strategy needs to be devised for them to make sure that either they are disposed off […]

Urban Heat Island Effect: Causes, Impacts and Mitigation

The urban heat island (UHI) effect arises due to absorption of incident radiation from the sun by built surfaces of tall buildings, roof, concrete structures and asphalt roads and then releasing it in the form of heat. The term “urban heat island” describes the built-up areas that are significantly hotter than the surrounding open, natural […]