It's difficult to assess the risk involved
in genetic modification. Scientists can't be certain
of the long-term consequences because genetically
modified crops have only been around for a relatively
short time.
There is no single answer to the question,
what are the consequences are of exposing the environment
to genetically modified plants? Plants are all different.
Consequently, genetically modified plants are dealt
with individually.
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In order for a genetically modified crop to be approved for
agricultural use an environmental risk assessment has to take
place. The assessment consists of several elements.
- Environmental consequences: For instance, can the genetically
modified plant spread in the environment and transfer genes
to related species?
- Consequences for farming: Is there a risk of pest-problems
or of resistance developing to current pesticides?
- Consequences relating to health: For instance, has the
genetic modification caused changes so the crop has become
poisonous or able to cause illness?
If the authorities consider there is a risk to the environment
or people's health, the genetically modified crop will not
be approved.
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