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DDT

Peanuts for ecology

Issue Date: Mar 31, 2001
If there is one thing true about India, it's that it is a diverse country. Economically, technologically and environmentally. Some are very rich, some are very poor. There are some who use modern technologies, and there are others who still use technologies that were used a millennium ago. And, of course, there are some who live in high mountains, some in hot deserts, some in the world's most flood-intense floodplains, and some in tropical forests.

Deconstructing science

Issue Date: Mar 31, 2001
few people realise that the 21st century is going to be the century of the environment. Technological change in this century is going to be heavily driven by the environmental imperative. Any nation that forgets to invest in environmental science and technology will only do so at its own peril -- its economy and the lives and health of its people. Human technologies will be forced to mimic nature's cycles and gentleness.

Green Scientist Award

Issue Date: Mar 31, 2001
T he Centre for Science and Environment ( cse ) and Down To Earth have instituted the award to highlight the state of environmental research in India and to encourage and honour commendable efforts in this crucial but ignored area. This is one way to make more funds available for environmental research in the country.

Payback time

Issue Date: Jan 31, 2001
four us chemical companies will pay a compensation of us $73 million to clean up ddt-contaminated waste near California's Santa Catalina Island. This amount is the largest compensation ever paid for an environmental clean up, other than oil. The companies include Montrose Chemical Corporation, Aventis SA, Chris-Craft Industries Incorporation and Atkemix Thirty Seven Incorporation.

Playing safe

Issue Date: Jan 15, 2001
the case for using the 'precautionary principle' to protect human health has received a boost through recent negotiations for a global treaty to control toxic chemicals. Action can now be taken against toxic 'persistent organic pollutants' ( pops) as long as there is scientific evidence that they pose a risk to human health and environment even without complete certainty.

Playing with poison

Issue Date: Oct 31, 1999
why haven't we banned ddt as yet. There are reasons enough to do so. Therefore, it is indeed surprising that the 115 nations that sat down to negotiate a ban on pesticides failed to ban ddt (dichloro diphynel trichloroethane). Perhaps, it is because ddt is used to fight malaria, a poor man's disease. Does this reflect a lack of concern on the part of the rich for the poor?

FOLLOW UP

Issue Date: Oct 31, 1999
It is known for its ability to render birds sterile, enter the food chain, persist in its original form without degrading for a long period of time, disrupt the reproductive system and is suspected to have carcinogenic properties. But it seems that dichloro diphenyl trichloroethane (DDT) will not be banned. Recently, at the third meeting of the Intergovernmental Negotiating Committee in Geneva, Switzerland, 115 nations convened to negotiate on the use of persistent organic pollutants (POPs), as such substances are called. But they failed to put in place a moratorium on its use.

Pact on pollutants

Issue Date: Oct 15, 1999
representatives from 115 nations signed a draft agreement to ban eight highly toxic pesticides and other chemicals, that are among the "dirty dozen" persistent organic pollutants ( pop s), which are compounds that accumulate in the food chain. However, there was no consensus on ddt ( dichloro diphenyl trichloroethane) , which is used for eradicating mosquitoes, that transmit malaria.

Back like a bad penny

Author(s): Mario
Issue Date: Oct 15, 1999
It seems that ddt will not be banned. Over 115 nations which met to negotiate a convention on persistant organic pollutants (pops ) have agreed not to do so. The excuse, perhaps rather lame, is that the substance is needed to combat malaria. Popularly known by its acronym ddt , it was the villain of the piece in the late 50s and shook the world out of its complacency towards pesticides.
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