Showing posts with label consequences. Show all posts
Showing posts with label consequences. Show all posts

Genetic Engineering: The Dark Side of Climate Ready Crops

Climate change is already affecting food supplies around the world as heat waves and drought reduce grain harvests and food prices soar. For every 1˚ C rise above optimum growing season temperatures, farmers will likely experience a 10 percent decline in their yields. And with a growing global population expected to hit 9 billion by 2050, 80 million more people need to be fed each year.

Between 2008 and 2010, at least 261 patents were filed or issued related to “climate-ready” crops—seeds supposedly able to withstand extreme conditions like droughts and floods; of these patents close to 80 percent were controlled by just six agribusiness giants, (DuPont, BASF, Monsanto, Syngenta, Bayer and Dow). This represents an exclusive monopoly and control over the world’s plant biomass.

These large agrochemical and seed corporations are developing “climate-ready crops” and have filed almost two thousand patents for genetically engineered (GE) plants with high tolerance for drought, heat, cold and salinity, As of 2010, almost 366 million acres around the world were planted with GE crops, with the most acreage in the U.S., Brazil, Argentina, India, Canada, and China. Increasingly we are seeing developing countries increasing their using GE crops.

In the US GE soybeans make up 93 percent of the US soybean crop, and GE corn is up to 70 percent of the corn crop. Most of these are used for animal feed but as there is no labeling requirement we just do not know for sure.

As much as 80 percent of US processed foods contain GE crop ingredients such as corn starch, high fructose corn syrup, canola and cottonseed oil, soy flour, etc.

Very few benefits have been found to be associated with GE crops. Some research shows that GE crops do initially reduce the use of herbicides and pesticides. However, the use of GE crops have led to the growth of super-weeds which are resistant to herbicides and pesticides and therefore require more of these toxins. The notion that GE crops increase yields does not appear to be borne out by the research.

There is some evidence to suggest that mammals fed with GE soybeans and maize are more prone to develop liver and kidney problems.

The effects of GE crops on biodiversity are also of concern. Allergens from GE crops can be transferred across crop species, and transgenes can drift from GE crops to organic and non-GE crops. This gene drift could give some plants a selective advantage, allowing them to drive out other varieties. In addition, the Bt toxin in GE crops may harm species not specifically targeted that ingest pollen or plant debris. And because the giant agrochemical and seed companies can make more money from their GE seeds, they will likely stop selling conventional seeds, eventually limiting the variety of seeds available to farmers.

The bottom line is that there is still a lot we don’t know about GE crops. The agro-giants in control of the seeds make it impossible to do the research as to gain access to GE seeds, a buyer must sign an agreement that specifically forbids research.

There are also far reaching socio-economic impacts associated with GE seeds because they are proprietary, farmers must pay royalties to use them and new seeds must be purchased every season. Failure to adhere to these stipulations can result in legal action. As of 2007, Monsanto had filed 112 lawsuits against farmers for patent infringement, including against organic and conventional farmers whose crops were inadvertently contaminated with transgene seeds that blew into their fields.

GM crops need more study, but at present we can say they offer few if any proven benefits.  What is known is the fact that they jeopardize biodiversity and threaten global food sovereignty.

© 2013, Richard Matthews. All rights reserved.

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Video - Climate Change and Extreme Weather: Prof. Jennifer Francis (2013)



This educational video summarizes the evidence for climate change. Click on blue time codes below to advance to these topics:

Note: The original 112-minute conference video of Jennifer Francis's presentation is the official product of StormCenter Communications Inc. It is posted on their StormCenterInc youtube channel here.

Prof. Francis' talk was filmed at the 24th annual Glen Gerberg Weather and Climate Summit, held in Breckinridge (Colorado) January 2013. You can view all videos from that conference and download the ppt presentations here.

ADVANCE TO TOPICS by clicking on the blue time codes below:

00:35 - Scientists and the public now link extreme weather events to CO2 rise.

07:19 - Overwhelming evidence that climate change is human-caused.

14:23 - "We have changed Mother Nature's deck of cards."

15:32 - Effects of increased CO2 levels on the Arctic: "Arctic Amplification."

23:49 - Understanding the jetstream.

24:44 - A warmer Arctic causes the jetstream to weaken and meander.

29:21 - The jetstream now "blocks" over Greenland in summer.

30:03 - Greenland ice melt is increasing.

30:55 - Examples of extreme weather events correlated with a weak, meandering jetstream.

34:53 - Superstorm Sandy's connection to a warming, melting Arctic.

37:18 - Summary and conclusions: "The public is listening now."

Source: StormCenter Communications, Inc

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Climate Change Erodes the Ozone Layer

According to recent research climate change may damage the protective ozone layer, which protects us from harmful ultraviolet radiation that causes skin cancer, cataracts, suppresses the human immune system, and damages crops and ecosystems.

The new research published by Harvard University found that extreme weather like climate-driven summer thunderstorms might introduce more water into the stratosphere, which can erode the protective ozone layer over the US and elsewhere.

This study draws attention to the urgency of our efforts to reduce short-lived climate pollutants (SLCPs) including black carbon, methane, tropospheric ozone and hydrofluorocarbons (HFCs). Reducing SLCPs could cut the rate of global warming by at least half for the next several decades, prevent up to 4.7 million premature deaths each year and prevent billions of dollars in crop losses.

"The possibility of significant ozone depletion over North America is only the newest in a litany of accelerating impacts of climate change,” stated Durwood Zaelke, President of IGSD. “We cannot afford to wait to take fast-action.”

There are many unanticipated harmful consequences of global warming, which makes the point that we had better take precautions rather than wait to deal with the potentially irreversible side effects.

This study is one of the first to experimentally prove this hypothesize so other studies will need to follow. However it does make the point that is it better to act now rather than wait and see what kinds of devastation will come from a warming world.

© 2012, Richard Matthews. All rights reserved.

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