USGS scientists have developed a method for mapping grasslands that could be well suited for growing biofuel crops. This boils down to good and basic natural resource management. But just as scientists note that just because it's green doesn't' make it clean, switchgrass has its problems.
The perennial issue regarding private military security contractors is the degree to which they are subject to effective oversight. In that regard there is only one item in today's news worth looking at.