Appropriate Technology

Reply by the Central Pollution Control Board (CPCB) regarding use of environmental compensation funds, 29/04/2025

Reply by the Central Pollution Control Board (CPCB) in compliance to the National Green Tribunal (NGT) order dated January 21, 2024 in the matter of ‘News item titled “Feeling anxious? Toxic air could be to blame” appearing in Times of India dated 10.10.2023’. NGT had directed CPCB to file a …

Development of biofuel engines for rural applications

There is an acute shortage of power for decentralized communities of the rural sector in India even after installing power generation capacity of about 110,000 MW. In order to meet rural energy needs, the decentralized power generation is an alternative measure and can be produced through renewable energy sources. There …

Rural transformation through dencentralized technologies: Empowerment and participatory systems management approach

Present aims to discuss innovative features and systems approach adopted in implementing time bound and technology based developmental projects under the Science and Society Programme of Department of Science and Technology (DST), New Delhi which have resulted in some technology models/packages for rural application and poverty reduction showing potential for …

The testing of cookstoves: data of water-boiling tests as a basis to calcuate fuel consumption

The introduction of improved cookstoves is a means to reduce the consumption of cooking energy and, in the case this energy is consumed in the form of wood or charcoal, to reduce or slow down deforestation. Before introducing improved stoves data should be available concerning the fuel savings that can …

What should we be doing about kitchen smoke?

Despite many studies looking at levels of indoor air pollution, successful initiatives to reduce the burden of ill health are few. One reason may be some commonly held beliefs, especially among those not directly involved in household energy, on some key issues in this field. ITDG has been collaborating on …

YAWN!

"In the virtual world, we virtually promise everything but deliver virtually nothing." this caption from one of the cartoons exhibited at the Indian Science Congress 2001 sums up the outcome of the massive jamboree, held in Delhi from January 3 to 7. The prime minister promised food for all, the …

Heard at the conference

"Children in India remain malnourished while foodgrains rot in our granaries. The key to this is proper management of our granaries.' V Ramalingaswami National Research Professor "There's a big gap between scientific research and application. We have crude facts of science, locked up in laboratories and research institutes, but we …

Deja vu

The session raised a whole range of problems. When it came to discussing solutions, time ran out. Peter Raven of the Missouri Botanical Garden in the us made some relevant observa-tions: "Food security has increased, but many people in the world still go hungry.' He said extinction rate of species …

Turmeric harvester

The Department of Farm Machinery, College of Agricultural Engineering, Tamil Nadu Agriculture University, Coimbatore has developed a power tiller turmeric harvester. The harvester consists of a crescent-shaped blade with three bar-points meant to penetrate the soil. Two oscillating sectors at the rear of the blade have 50 cm long lift …

Power from husk

To meet the power demands of rice mills, a small-scale unit based in Tanuka, Andhra Pradesh has developed a low-cost technology to generate electricity using rice husk. After three years of research, Associated Engineering Works have come up with the rice husk gasifier, which won them the department of scientific …

Diesel: no answer to global warming

Whenever the issue of urban smog due to diesel exhaust emissions is raised, auto companies vie that diesel is the answer to reducing emissions of carbon dioxide (CO 2 ), the main greenhouse gas. But the last bastion of the powerful diesel lobby collapsed with a new study saying that …

Made to order

government plans have laid a lot of emphasis on research and development of appropriate technologies for rural areas since the First Five-Year Plan. But one shortcoming in making these technologies widely available and acceptable has been the lack of dissemination and communication of the work carried out by several research …

All that rot

imported mechanised treatment facilities are unlikely to solve India's waste disposal problems but will only serve the interests of the exporting countries, warns the head of the Mumbai-based Indian Environmental Association (iea). Soli J Arcievala, president, iea, speaking to Down To Earth on a recent visit to Goa, said India's …

Some knowledge is forever

A RECENT publication of the United Nations Education, Scientific and Cultural Organisation (UNESCO) discusses TEK - Traditional Ecological Knowledge - and its functioning in the tropical countries. It identifies 3 broad categories Of TEK. The first is the knowledge about specific components or aspects of plants, animals, soils and environmental …

Novel initiative

Officials in the department of science and technology (DST) have woken up to the necessity of low-cost housing. The department has set rolling a project to develop low-cost houses that are adapted to agro-climatic conditions and develop local building materials and skills of local artisans by linking them to appropriate …

Lessons from the colonial past

When you wrote your book, scholars used to study aspects like caste or land relations. What made you select science and technology? I wasn"t interested in science and technology at all. I was interested in my society -- in all its aspects. The question was: What happened to us 200 …

Taking an 'all round attitude' to science

Indian Prime Minister Indira Gandhi takes a keen interest in the development of her country's science and technology. Here, she talks to Anil Agarwal

Centre for Rural Technology, Nepal

Centre for Rural Technology, Nepal (CRT/N) is a professional non-governmental organization involved in developing and promoting appropriate / rural and renewable energy technologies effective in improving livelihood of the rural mass. It was established in August 1989 under the Company Act. CRT/N has now been registered with the Government of …

Centre for Renewable Energy (CRE)

Estd in 1992, the Center for Renewable Energy (CRE) is a non-governmental and non- profit making organisation (NGO) which brings together professionals and people who believe in the generation and optimum utilisation of renewable energy and appropriate technology. The Centre believes that harnessing renewable energy and utilising appropriate technology hold …

Resource Centre Network Nepal (RCNN)

A network of organisations involved in water, sanitation and hygiene sector, which intends to facilitate the sharing of information and promote the use thereof to improve the performance of the sector as a whole. The Water, Sanitation and Hygiene-Resource Centre Network Nepal (WASH-RCNN) in association with Nepal Library Association (NLA) …

Centre for Rural Technology, Nepal

Centre for Rural Technology, Nepal (CRT/N) is a professional non-governmental organization involved in developing and promoting appropriate / rural and renewable energy technologies effective in improving livelihood of the rural mass. It was established in August 1989 under the Company Act. CRT/N has now been registered with the Government of …

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