relativism

Why is Europe persevering in restricting the use of agricultural biotechnology and why does it renounce its benefits?
When I was an undergraduate student, I majored in microbiology and minored in chemistry. And just for kicks, I nearly minored in philosophy, falling just one class short1. But these philosophy classes stuck with me for a lifetime.
I am a scientist. I even have the credentials to prove it. There is a PhD degree in microbiology hanging on my wall and a few peer-reviewed publications to my name.
How should scientists respond to the rising tide of anti-scientific sentiment in the world?