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Contents page
Nov 1-15, 1993
Cover Story
Minimising the production of waste in industries saves raw material and, because it reduces the quantity of pollutants, lowers the cost of treating effluents.
News
Following economic liberalisation, India's largest power equipment manufacturer BHEL is diversifying and exploring renewable energy technologies in order to meet the stiff competition it faces from multinationals.
Interview
IT HAS taken almost two decades of consistent research into the northeastern tribal practice of shifting agriculture for P S Ramakrishna, professor of ecology at the Jawaharlal...
Science & Technology
Using microorganisms to treat pollutants is a cheap eco-friendly way of disposing waste, which is fast catching on.
Seeds of nuts used by Andhra tribals to purify water yields a substance that can be used to remove toxic metals from industrial waste.
Windows that change from clear to dark and back at the flick of a switch are set to make air-conditioning systems redundant in buildings, thereby saving considerable power.
Scientists claim highly insulating windows called "Low-E (emissivity)" windows could save considerable amounts of power in developing countries.
A recent hypothesis contends that menstruation protects women against various uterine infections.
Recent evidence suggests that the muskox, believed to have become extinct 10,000 years ago, may have actually survived till much later.
Scientists are focussing on strengthening genetically the defence mechanism of mosquitoes so as to render them inhospitable to the malarial parasite.
Analysis
Minimising the production of waste in industries saves raw material and, because it reduces the quantity of pollutants, lowers the cost of treating effluents.
Washing of ice cream vats at the Nirula's factory produced a liquid that was rich in milk fats and sugar, but had a high pollution potential. Distributing the 'milk shake' among students of a blind school took care of the problem and also earned goodwill for the company.
Threatened with closure on grounds of pollution, Palam Potteries adopted a waste minimisation method that brought down its smoke emissions and coal consumption.
A simple waste minimisation technique at an electroplating plant in Delhi improved the quality of its plating and saved the unit Rs 60,000 annually.
Recycling water and chemicals has resulted in drastic reduction of effluents from Surat's textile units.
Pulse production in India is touching an all-time high, but the benefits are reaching only a few because most farmers are ignorant about the new, easier-to-grow varieties, and about agronomic practices that would make the crop less of a risk.
New thinking on forestry management calls for reducing the emphasis on sustainable timber production and concentrating instead on the protection of countries' ecosystems.
Special Report
Tribals displaced by the Salandi river dam in Orissa are encroaching on the Hadgarh sanctuary, allegedly at the instigation of the Socialist Unity Centre of India and with the help of forest department employees.
The Fortnight
US President Bill Clinton has proposed an ambitious and complex programme to lower federal expenditure on health care and revamp the existing system.
A US appeals court ruled it could forward the North American Free Trade Agreement to Congress without an environmental impact statement.
An interim report on project implementation by the GEF highlighted the mismanagement, wasteful expenditure and squabbling that plagues it.
British aid agency Oxfam has criticised the World Bank and the International Monetary Fund for their economic policies in sub-Saharan Africa.
The World Bank continues to finance a development project in northwest Brazil, despite warnings that it would adversely affect the Uru Eu Wau Wau Indians.
High prices and illegal shipments of inferior quality have badly affected Madagascar's status as premier vanilla producer.
Crosscurrent
Is a state government notification an indication that Gujarat, once considered to be committed to wildlife protection, has now moved industry to the top of its priority list?
The World Bank, which is the largest lender of aid to the Third World, is casting its shadow on decisions made by the Indian Union ministry of environment and forests.
Tourism and conservation need not necessarily be in conflict with each other; handled with care, they can also benefit from each other.
Review
Grassroots
The Ganga Mukti Andolan is endeavouring to free a stretch of the Ganga -- and the exploited fisherfolk that derive their livelihood from it -- from the clutches of landowners and mafia gangs.
Effluents from a liquor factory in Banka district spell doom for many villages around the unit and also pollute the Ganga.
A report published in the Journal of the Federation of American Societies for Experimental Biology suggests that babies of...
Yes, the happening and looming threat of the loss of Bio-cultural diversity stares us in the face. This is particularly true...
You are right. Even the recipe is messed up. What happened to turmeric, chilli and corriander powder? And the oh-so-important...