Question: Whatever the environment reduce nerves by being familiar with it
Please fix the punctuation.
Fixed: [Whatever the environment, reduce nerves by being familiar with it.]

Question: The positioning of the two trees in the painting was superbly arranged
Please fix the punctuation.
Fixed: [The positioning of the two trees in the painting was superbly arranged.]

Question: This seems more often to lead to violent conflicts in these societies than to enrichment the way our politicians normally maintain in the mass media
Please fix the punctuation.
Fixed: [This seems more often to lead to violent conflicts in these societies than to "enrichment" the way our politicians normally maintain in the mass media.]

Question: The main focus of the 2010 edition has been Citizenship and Fundamental Rights but the campaign has also offered activities related to a broad variety of topics like Climate change and Biodiversity Hosting European experts applying and presenting their ideas Spring Day participants have shown themselves to be truly Europeans with hundreds of exciting events happening in their schools
Please fix the punctuation.
Fixed:
[The main focus of the 2010 edition has been "Citizenship and Fundamental Rights", but the campaign has also offered activities related to a broad variety of topics, like "Climate change" and "Biodiversity". Hosting European experts, applying and presenting their ideas, Spring Day participants have shown themselves to be truly Europeans, with hundreds of exciting events happening in their schools.]