They are curbing run-away energy with a combination of micro-level controls (for individual servers, power distribution units, air-flow controllers, and cooling units) as well as macro-level controls and policies (for racks of servers, rows of racks, and entire data centers).

FORBES: The Growing Energy Demands Of Living Your Life In The Cloud

The ability to really understand buildings at this level requires a combination of skills found in both facilities knowledge and IT management.

FORBES: Written by Dave Bartlett

As companies are using favourable tax jurisdictions overseas there needs to "a combination of action at the international level as well as beef up our own capacity to deal with it".

BBC: Vince Cable attacks corporate 'tax abuse'