Biomass

Punjab Green Hydrogen Policy

The Punjab Energy Development Agency has released a draft green hydrogen policy aiming to achieve a green hydrogen and ammonia production capacity of 100 kilo tonnes per annum by 2030. The policy proposes extending incentives under the existing “Punjab Industrial and Business Development Policy 2022” to new green hydrogen and …

Phulmai s walk a day in the life of a headloader

It is five o'clock in the morning. I am inside Jharkhand's Khellari forest, on assignment. In the first light of morning, the forest looks lush and dark green. Suddenly, a frail frame

Of props and power

The Spanish government's proposal to end subsidies for renewable fuels has made the country's Association of Renewable Energy Producers (arep) see red. The government feels that the sop should be done away with as certain forms of renewable energy are mature enough to compete in the open market. But arep …

No pulp fiction

researchers have evolved an efficient way to convert sewage and rejects from paper mills into hydrogen

Unmasking aerosols

A P Mitra couldn't believe it. He along with 200-odd scientists from India, Europe, Maldives and the us was conducting an intensive six-week field experiment in 1999 to study the effect of airborne tiny particles called aerosols on climate. The tropical Indian Ocean, where clean air from the southern Indian …

Widespread web

RAINFALL Aerosols may be reducing rainfall and threatening the Earth's fresh water supplies, according to the Scripps Institution of Oceanography, San Diego. "Initially we thought that aerosols were mainly a cooling agent, offsetting global warming. Now we find that these have a big impact on the water budget of the …

Picture imperfect

Scientists are yet to unravel all the mysteries about the tiny and yet complex three-dimensional particles. Key details about their properties and their effects remain elusive. So far, it has not been possible to make reliable measurements to determine their distribution and properties on a global scale. Large uncertainties remain …

Proposal rubbished

a recent in-principle clearance to a gasification plant in Delhi has fuelled a major controversy. While environmental groups are up in arms about the "polluting and extravagantly expensive' project, Energy Developments Limited (edl) India

What s cooking tonight?

in houses where biomass is used as cooking fuel, the adult members of the family face the risk of tuberculosis. The prevalence of active tuberculosis is 3.6 times higher among adults in households using biomass fuels than among adults in other households shows a recent study. The term

NOBEL GESTURE

The United Nations Development Programme ( UNDP ) will finance a biomass fuel efficiency project in Bhutan. The project is aimed to solve the environmental and health problems faced by the people of Tsirangdzongkhag. Bhutan will be given US $29,400 by the UNDP . The project will tackle problems such …

Power plants

spanish farmers are growing genetically modified ( gm ) artichokes ( Cynara scolymus ) with a height of three metres to produce electricity in special power stations . The monster vegetables boast seven-metre long roots and will be used to generate power for 60,000 people when operations in the northern …

Bamboo for biomass

when the search is on for effective and sustainable supplies of renewable energy, it is surprising that bamboo, noted for their fast growth and high production, have not been considered as a potential source of what is also referred to as "green gasoline'. The energy generated from sunlight per hectare …

Fuel for thought

THE Kyoto Protocol, forged in December 1997, appears only to advocate planting and conserving forests (afforestation and reforestation) in order to create carbon sinks in trees and also in soils. Little is said about using trees and other forms of biomass as an energy source to substitute the use of …

MONEYMAKERS

aids prevention: The government of India plans to launch the second phase of its nationwide AIDS control and prevention programme. The government has received Rs 750 crore from the World Bank for this programme. For the first phase (1992-99), the government had allocated around Rs 320 crore. Half of the …

Dramatic shift

Given this background, the results of the latest survey on firewood consumption pattern in India's rural areas published by Natarajan in 1995 are quite stunning. This survey generated data for the year 1992-93 whereas the last comprehensive energy consumption survey conducted by the ncaer had presented data for 1978-79. No …

Unexpected relief

The question today, therefore, is: Is the rosy picture presented by the ncaer survey of 1992-93 equally applicable to these areas? The 1991 census also shows that states with large tracts of hills and mountains like the Northeastern states and those with dry regions like Rajasthan are still heavily dependent …

Rational responses

One factor that no study has been able to analyse is to what extent the farmers of India have reacted to the firewood crisis and started to grow trees on their farmlands and private fallow lands or protect their forests. Surely, one would expect a rational economic response from farmers …

False predictions

The firewood crisis has not resulted in a forest crisis. For years, energy experts and foresters have believed that the poor will eat away the forests of the developing world like locusts in order to meet their ever-growing firewood demand. But how much do we really know about the poor …

Potential herb layer production and grazing effects in anthropogenic savannahs in the moist tropical forests of the Western Ghats of India

The moist tropical forests of the Western Ghats of India are pockmarked with savanna-grasslands created and managed by local agricultural communities. A sample of such savanna-grasslands with differing growing conditions was studied in terms of peak above-ground biomass, monthly growth and cumulative production under different clipping treatments.

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