Trim pine trees

My Norfolk pine was not covered during a cold snap and now is brown on the edges of the top branches. Should I trim them, and if so, where?

I have a lot of bees that are in several of my pine trees. How do I get rid of them without hurting my trees?

I am having 18 pine trees removed from my yard (Wisconsin). The area under the trees is nothing but dirt. What will I need to do to repair my lawn?

Can an Austrian pine tree be watered too much? I bought these 3 weeks ago and have watered every day thoroughly, now the green needles are falling off. I see no signs of pests.

What is it about pine trees that nothing will grow under or around them? I have three kind of scraggily pine trees in the fron yard, and I want to plant other things. What can I use to replenish the soil so that I can have a garden out there? I live in zone 24 on the western garden map. (that is...