SCE&G are pruning the trees on James Island as a part of their utility vegetation maintenance program. Please visit their website at here for more information on this program their pruning guidelines.
Here is a map of areas that will be visited on James Island in 2015. SCE&G Tree Trimming Map 2015
If you'd like to talk to someone about the trees in your yard, you can call SCE&G at 1-800-251-7234 and place a work order to have an arborist come assess your trees before they're trimmed.