Renewable Energy

Reply filed by the state of Odisha regarding increasing instances of high energy swell waves, May 1, 2025

Reply filed by the Director, Environment-cum-Special Secretary, Forest, Environment and Climate Change Department, Odisha and Member Secretary, Odisha Coastal Zone Management Authority, May 1, 2025. NGT, had registered suo motu in response to the news item in the Hindu, May 4, 2024 titled "Swell waves likely to strike coastal areas …

A clean drive

As the number of vehicles produced around the world increase every year, so does the pollution from these vehicles. The number of automobiles on the roads around the world have increased around ten-fold in the past 50 years. Analysts predict that the number will double in the next 25 years. …

When bulls light bulbs

the energy of bullocks has been converted into electric power in 24 tribal villages of the Chhota Udepur region of the Vadodra district in Gujarat. The experiment was conceptualised by scientist-industrialist Kantibhai C Shroff and his niece Shrutiben Shroff and sponsored by the Shroff Foundation, an ngo providing health care …

Living with nature

ONE aluminium can of coca cola, if recycled rather than thrown away, saves enough electricity to run a television set for three hours. Need we calculate the magnitude of energy that is consumed by the unending chain of metal clad, steel reinforced artifacts - our buildings? Architecture as a symbiosis …

Useful wastes

ANIL K RAJVANSHI can India's dependence on imported fuels to meet her energy needs be reduced? The answer seems to lie in the creation of energy self-sufficient talukas (administrative blocks comprising about 100 villages) through biomass-based systems of energy generation, as suggested by a recent study by the Nimbkar Agricultural …

Low cost heating

The solar energy group of the Renewable Energy Research Centre, Vietnam, has designed an efficient solar water heater. The system consists of three collector-cum-storage tanks with a total capacity of 90 litres. Inside the tank, a metal plate is linked under the solar energy absorber surface. The water-heating mechanism in …

Plastic prowess

A VISIT to a factory that manufactures batteries is riot a very pleasant experience. A factory manufacturing lithium batteries uses electrodes made from lithium and manganese dioxide (mo) Which are used to run anything from wristwatches to camcorders. Lithium reacts explosively with water, therefore the humidity in the factory must …

Renewing energy options

THE Indian government has given top priority to the development and exploitation of renewable sources of energy to meet the requirement of rural communities. With economic expansion, vast opportunities have been made available for bringing about active involvement of the private sector for the rapid growth of the renewable energy …

"Some power is better than none"

On the demand and supply equation with respect to the power sector: The power situation in the country-presents a rather grim picture. This is mainly because of the limited generating capacity which- has resulted in a shortfall of 18-20 per cent in supply. Under the Eighth Five Year Plan, we …

Making waves

EXACTLY 16 months after the UK government stopped aiding research into wave power on the grounds that it had no commercial future, the world's first wave-powered electricity generator has been launched off the shore of Scotland. Promising mass production of power at a wondrously cheap rate, the new electricity generator …

Fruits of industry

THE Andaman & Nicobar islands, with their soft green cover, crystal clear water, thick tropical forests, rich marine ecosystems and ancient tribes almost 2,000 years behind modernity, living in harmony with nature are facing crisis at this point of time in history. The pressure on natural resources from a limited …

Current solutions

THAT toothy grin is on again. After the previous fiasco, when US secretary of energy Hazel R O'Leary visited the village of Dhanawas (in Gurgaon, Haryana) near Delhi last July, some residents promptly shot down her offerings of renewable energy technologies; they were more interested, they said, in better schooling …

Turning an old leaf

PLANTS support human life. Period. Today, a majority of people in the developing countries depend on fuelwood, dung, charcoal and agro-wastes for their cooking, heating and other energy requirements. A flicker of electricity is also produced from agricultural and other wastes. Subsequent to the oil shock in the '70s, and …

Energetic dialogues

HAZEL O'Leary's visit early this month has renewed the conviction that, as she promised, India retains a high-priority status in America's renewable energy establishment. The US energy secretary's agenda for promoting her country's commercial and environmental interests is backed by its industry. American enthusiasm has obviously been energised by growing …

`I don`t think future generations will be very happy with our performance`

What are the recommendations from the study, Energy for Tomorrow's World, that are relevant to India? Energy for Tomorrow's World is a global study, where no particular country has been specified. But 1 of the 9 regional working groups was on South Asia, and the people involved talked confidently about …

The sun rises

Not a single proposal has been cleared by the Indian Renewable Energy Development Authority (IREDA), the financing arm of the Union ministry of non-conventional energy (MNES), in the 2 years since the pompous launch of the Global Environmental Facility (GEF)-World Bank (WB) funded market development programme for photovoltaic (PV) systems …

Too close to the sun

WITH charges of skewing up national priorities and rendering them fanciful, the first ever Global Environmental Facility (GEF)-World Bank (WB)-assisted programme on developing the market for solar photovoltaic (SPV) systems has fallen flat on its face. After 2 years of the launch of the US $195 million renewable energy programme, …

`Bioenergy is being taken quite seriously`

Renewable energy sources and technologies have been researched and promoted in varying degrees in different countries over the past 2 decades. Do energy experts have a clearer idea now as to which renewable sources and technologies should play a greater role in meeting rural energy needs? I don't think that …

Bringing technology to women

TECHNOLOGY is essential for improved living and working conditions. However, women -- especially those in rural areas -- are often denied access to technology because of discrimination and lack of adequate information. For instance, rural women spend many hours away from home collecting firewood. If the women were provided energy …

Tracing a path from the sun

FOR THOUSANDS of years, humans have strived to utilise the sun's energy. Through the ages, the potential of solar energy has been exploited with increasing effectiveness in numerous applications, from small installations to the gigantic solar power stations. Solar energy was perhaps conceived as necessary for survival and as an …

World`s state as precarious as ever

THE STATE of the world continues to deteriorate. Any light at the end of the tunnel is, at best, hazy. Despite the slide, perceptions have changed and the State of the World report could have been a powerful instrument towards this change for the better. However, one feels disillusioned when …

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