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Letters

Letters

Issue Date: Jan 31, 1996
Munch away cancer There was a news item in your magazine (Down To Earth, Vol 4, No 10), which said that researchers at the National Institute of Nutrition, Hyderabad, have discovered that yellow and orange coloured fruits, like carrots, tomatoes and oranges, contain beta carotene which, apart from fighting blindness, is also an anti-cancer agent. In this connection, I would like to point out that all yellow-orange fruits are not rich in beta carotene. While carrots (6.5 mg/100 g) and mangoes (2 mg/100 mg) are rich sources of beta carotene, tomatoes and oranges are

Letters

Issue Date: Jan 15, 1996
Latent patent We have a strong interest in counter-patents and keep our eyes open for the latest in this field. We are keen to support counter-patenting initiatives, particularly in connection with genetic resources and the knowledge of traditional communities.

Letters

Issue Date: Dec 31, 1995
Not quite correct I have noticed that several items of news published in Down To Earth, otherwise a very stimulating magazine, are misleading if not wrong. In a news-piece entitled 'Warming up to the sun' (Vol 4, No 5), the last item maybe termed a 'pseudo-improvement'. Gallium arsenide-gallium aluminium arsenide solar cells with efficiencies of 23.3 per cent were fabricated by Van der Plas et al in 1978. So what is the significance of upgrading 9 per cent efficiency cells in 1995 to 14 per cent by introducing 50 quantum wells? Van der

Letters

Issue Date: Dec 15, 1995
Seconding the proposal This has reference to the letter by K V Nand of Nagothane in your magazine (Vol 4, No 7). 1 agree with him regarding the celebration of National Environment Day on December 4, the date of the Bhopal tragedy. This date would be appropriate as it will not only remind us of the consequences of apathy towards environmental issues, but also give a chance to schoolchildren to participate in this event as in June, most of the schools across the country are closed for summer vacation. ... Campaigning for sustainability

Letters

Issue Date: Nov 15, 1995
Captive cures I would be surprised if this paper gets published in Down To Earth. My views are diagonally opposite to those espoused by the journal. Karnataka was the first state to advocate the idea of allocating degraded and barren areas to industries for raising captive plantations in 1978. The industries, cushioned by committed supplies at low prices, had not responded. In 198 1, the Karnataka State Forest Act was amended to empower the government to revise the rates of supply of raw materials: the rates were enhanced

Letters

Issue Date: Oct 31, 1995
Why not fossil Parks? Biodiversity. This 12 letter word has created waves all over the world in the last few yeam So much has already been written, is being written and will be written about biodiversity and the need for the protection and conservation of that much-written-about thing the world over. But the spectrum is still very hazy and there is no clear-cut con- cept about the elementslitems which are included under this very broad umbrella.

Letters

Issue Date: Sep 30, 1995
Hot search for coolants

Letters

Issue Date: Sep 15, 1995
Dang and blast The forest officials of Dangs district in Gujarat have left no stone unturned in inflicting atrocities on the adivasi inhabitants living there. All over the country, adivasis cultivate on forest lands for their sustenance. They have been doing so for many centuries now, much before the forest department came into existence. In the Dangs too, the adivasis have been cultivating forest lands as a means of their livelihood since time immemorial.

Letters

Issue Date: Aug 31, 1995
Beating the wrong bush Variously described as the Kalpavriksha, "Miracle Tree", "weed" and Yamadoot (Messenger of Death), Prosopis chilensis has become the centre of a raging controversy in Gujarat (see Down to Earth, August 31, 1994: A taste of dry death). While the debate rages over its virtues and vices, the tree continues to spread its tentacles deeper into Gujarat. While each side piles up self-corroborative data, we seem to be losing sight of the basic issue as to why an apparently exotic tree species has spread so overwhelmingly (and

Letters

Issue Date: Aug 15, 1995
Farming back to the past Some time back I had received a few complimentary issues of your magazine. Under the Grassroots section you had published a series of articles on organic farming. These gave me valuable insights into the innovative ways of recycling waste back to the agricultural field, the association of plant species and on the methods of maintaining soil health.
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