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The anti-pesticide crazies are at it again—this time it is about Roundup
by Art Drysdale
by Art Drysdale


Art Drysdale, a life-long resident of Toronto and a horticulturist well known all across Canada, is now a resident of Parksville, British Columbia on Vancouver Island, just north of Nanaimo. He has reno-vated an old home and has a new garden there. His radio gardening vignettes are heard in south-western Ontario over radio station Easy 101 FM out of Tillsonburg at 2 PM weekdays.

Art also has his own website at

June 5, 2016

I have no pictures to illustrate this topic so I’ll include a half dozen shots from our gar-dens here in Parksville. Above, a general shot of the large pond area showing our blue Iris and Fremon-todendron tree/shrub in full bloom; Just one branch of the Fremontodendron this year; and our ‘President Roosevelt’ Rhododendron with only a few blooms this year although it has increased in size immensely—note the variegated foliage. Below, Rhododendron ‘Lee’s Best Purple’; Grevillea ‘Cranberry Gem’ in the background; and switching from the street-side garden to that at the water’s edge, one of our yellow Bush Lupines growing adjacent to our seawall. Author photos.




Glyphosate (Roundup) will not cause cancer according to the Review Panel Report published on-line by the Cancer Assessment Review Committee at the United States Environmental Protection Agency (US EPA) on April 29th, 2016.

The US EPA report discredited the anti-Glyphosate report by the International Agency For Research On Cancer (IARC) which conveniently disregarded several studies on the effects of exposure to Glyphosate purely on the basis that these studies showed no positive results.

The US EPA report also noted that the studies IARC chose to include in its report had significant limitations.

Additionally, IARC’s anti-Glyphosate report was based on a review of the scientific literature that was not comprehensive.

According to Monsanto, the company that developed Glyphosate, no pesticide regulator in the world considers glyphosate to be a carcinogen, and the US EPA report once again reinforces this important fact.

Unfortunately, IARC’s inconsistent classification of Glyphosate has generated unwarranted concern and confusion about Glyphosate.

There is something horribly wrong when IARC officials conspire with Pesticide-Hating Fanatics and their Environmental-Terrorist Organizations to dictate public policy based upon reports that are wrong !

IARC officials are categorically wrong about Glyphosate, an ingredient that has been assessed to be scientifically safe.

Seemingly, IARC officials will say anything in order to validate their anti-pesticide agendas, including faking data, designing pointless and inferior research, and prejudicially giving greater weight to research results that only agree with their twisted objectives.

Fanatical and Environmental conspiracies have not just been restricted to pest control products, but also Agent Orange, agriculture, artificial sweeteners, cancer, DDT, global cooling and global warming, lawn care, organic food, and wind power.

In order to fully appreciate why this matters so much, we need to understand a little about the long and tumultuous history of this debate.

Glyphosate is the most widely-used herbicide (vegetation killer) in the United States.

It was originally developed by Monsanto, and first sold in 1974 under the name Roundup.

Although people may think that Monsanto and Glyphosate go hand in hand, Monsanto actual-ly lost its glyphosate patent in 2000, resulting in the continued use of Glyphosate into hundreds of products sold by multiple companies.

When the use of Glyphosate was exploding in the mid-1980s, the EPA had classified it as a possible human carcinogen.

Since then, US EPA has recommended Glyphosate to be classified as follows …

  • In 1986, EPA Group D ? Not Enough Data To Tell If It Is A Carcinogen Or Not
  • In 1991, EPA Group E ? Evidence Of non-carcinogenicity in humans

Which brings us to 2015, when the International Agency For Research On Cancer (IARC), [arbitrarily] recommended an inconsistent classification of Group B – probably carcinogenic.

The US EPA Review Panel Report, entitled Evaluation Of The Carcinogenic Potential Of Glyphosate, was highly critical of the IARC’s anti-Glyphosate report, which was based on a re-view of the scientific literature that was not comprehensive.

Long overdue is one, final, all-encompassing EPA Review Panel Report that would finally, once and for all, clarify whether or not Glyphosate causes cancer.

And, we had it on April 29th ? until we did not anymore.

This comprehensive Review Panel Report analyzed multiple different studies with the conclusion on page 77 entitled Classification of Carcinogenic Potential. It stated the following:

  • Glyphosate is classified as not likely to be carcinogenic to humans.
  • The epidemiological evidence at this time will not support a causal relationship between Glyphosate exposure and solid tumors.
  • There is also no evidence to support a causal relationship between Glyphosate exposure and the following non-solid tumors—leukemia, multiple myeloma, or Hodgkin’s disease.
  • The epidemiological evidence at this time is inconclusive for a causal or clear associative relationship between Glyphosate and Non-Hodgkin’s lymphoma.
  • In experimental animals, there is no evidence for carcinogenicity—dietary administration of Glyphosate at very high doses for up to two years produced no evidence of carcinogenic response in seven separate studies with male or female rats.
  • The same held true with mice.

Based on a weight of evidence from a wide range of assays looking at genetic mutation, chromosomal damage, DNA damage and repair, there is no genotoxic and no mutagenic concern for Glyphosate.

So, why would such a comprehensive Review Panel Report with a clear conclusion be removed from the web-site?

The EPA told Reuters, in an e-mail, that its assessment was not final (a particularly odd word choice for a Review Panel Report presenting their final guidelines!) and that the documents were preliminary.

The EPA also stated that the final (yes, final) Review Panel Report will be published later in 2016.

There is ever so much more information from major sources that I could publish here but I fear it would make this item a way too long.

Credit for gathering this information must be given to the Pesticide Truths newsletter, and Mr. William Gathercole its founder.


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