Internet searches are being recorded, driving habits are being monitored, employees are surveiled, shoppers are observed, recorded, and analyzed, and personal phone calls? Shoppers and diners are observed and analyzed; Internet searches are monitored and used as evidence in court. It is big business that collects most of the data about us.
This year it began to rain in early August.
A large country house, housing the operations of Teagasc, overlooks the field trials, and well-dressed Irish and EU bureaucrats hustle in and out.
As part of an EU-wide project called Amiga to study the impact of genetically modified GM plants, Teagasc researcher Ewen Mullins is testing potatoes that are engineered to resist blight. Watch a video of Mullins and GM potatoes in Ireland at the bottom of this page or here. Bending over the conventionally bred plants, he firmly pulls back the wilted stems and leaves to show that the tubers, half-exposed in the ground, are scarred with black blotches.
Then he picks at a green leaf from one of the genetically engineered plants, which have been modified with a blight-resistant gene from a wild potato that grows in South America.
The defenses of the potato plant have fought off the spores, rendering them harmless. But even if the results from next year are similarly encouraging, Teagasc has no intention of giving farmers access to the plant, which was developed by researchers at Wageningen University in the Netherlands.
Such genetically engineered crops remain controversial in Europe, and only two are approved for planting in the EU. Though Mullins and his colleagues are eager to learn how blight affects the GM potatoes and whether the plants will affect soil microbes, distributing the modified plant in Ireland is, at least for now, a nonstarter.
Bananas, which are a primary source of food in countries such as Uganda, are often destroyed by wilt disease. In all these cases, genetic engineering has the potential to create varieties that are far better able to withstand the onslaught. GM potatoes could also lead to a new generation of biotech foods sold directly to consumers.
Though transgenic corn, soybeans, and cotton—mostly engineered to resist insects and herbicides—have been widely planted since the late s in the United States and in a smattering of other large agricultural countries, including Brazil and Canada, the corn and soybean crops go mainly into animal feed, biofuels, and cooking oils.
Drought, damaging storms, and very hot days are already taking a toll on crop yields. With the global population expected to reach more than nine billion byhowever, the world might soon be hungry for such varieties. Although agricultural productivity has improved dramatically over the past 50 years, economists fear that these improvements have begun to wane at a time when food demand, driven by the larger number of people and the growing appetites of wealthier populations, is expected to rise between 70 and percent by midcentury.
In particular, the rapid increases in rice and wheat yields that helped feed the world for decades are showing signs of slowing down, and production of cereals will need to more than double by to keep up. If the trend continues, production might be insufficient to meet demand unless we start using significantly more land, fertilizer, and water.
Climate change is likely to make the problem far worse, bringing higher temperatures and, in many regions, wetter conditions that spread infestations of disease and insects into new areas. Drought, damaging storms, and very hot days are already taking a toll on crop yields, and the frequency of these events is expected to increase sharply as the climate warms.
For farmers, the effects of climate change can be simply put: If you have a relatively stable climate, you can breed crops with genetic characteristics that follow a certain profile of temperatures and rainfall. Creating a potato variety through conventional breeding, for example, takes at least 15 years; producing a genetically modified one takes less than six months.
Plant scientists are careful to note that no magical gene can be inserted into a crop to make it drought tolerant or to increase its yield—even resistance to a disease typically requires multiple genetic changes. But many of them say genetic engineering is a versatile and essential technique.
The corporations that helped turn genetically engineered crops into a multibillion-dollar business, including the large chemical companies Monsanto, Bayer, and DuPont, promoted the technology as part of a life science revolution that would greatly increase food production.
To be sure, bioengineered crops are a huge commercial success in some countries. The idea is simple but compelling: Surveys estimate that more than million hectares of such transgenic crops are grown worldwide.In a recent Star-Advertiser article, Hawaii Democratic Party member Bart Dame makes an odd observation about the so-called “progressive” movement in the Islands.
Dame noted that progressives have traditionally been a minority in Hawaii politics, but said their influence appears to be growing. GMO stands for genetically modified organism. The acronym can apply to plants, animals or microorganisms, whereas the term genetically engineered microorganism (GEM) refers only to bacteria, fungi, yeast or other microorganisms.
Genetically modified food controversies are disputes over the use of foods and other goods derived from genetically modified crops instead of conventional crops, and other uses of genetic engineering in food production.
The disputes involve consumers, farmers, biotechnology companies, governmental regulators, non-governmental organizations, and scientists. Topic Homeostasis The Importance of homeostasis.
You should be able to explain that homeostasis is the regulation of the internal conditions of a cell or organism to maintain optimum conditions for function in response to internal and external changes.
07 Mark Lynas from Oxford Farming Conference on Vimeo.. I want to start with some apologies. For the record, here and upfront, I apologise for having spent several years ripping up GM crops. "Modern man perceives time as a linear progression, with a fixed past, present, and future. The Maya, on the other hand, understood time as something more fluid and they believed that periods of time would be repeated through a series of world ages.
Topic Homeostasis The Importance of homeostasis. You should be able to explain that homeostasis is the regulation of the internal conditions of a cell or organism to maintain optimum conditions for function in response to internal and external changes. Seeds of Conflict. Genetically modified corn and soy dominate U.S. farms, but activist raids have kept Europe GMO-free. The fight over the next Green Revolution has just begun. The first field tests of genetically engineered plants (tobacco) are conducted in Belgium. The first field tests of genetically engineered crops (tobacco and tomato) are conducted in the United States. •The FDA declares that genetically engineered foods are "not inherently dangerous" and do not require special regulation.