One of the first steps people take when diagnosed with a RSI such as carpal tunnel syndrome, is to switch to an ergonomic keyboard. Here are some ergonomic keyboard that I have and continue to use and recommend.
Carpal Tunnel Treatment requires education. Books that have helped me recover from Repetitive Strain Injury or RSI, which many people call Carpal Tunnel Syndrome:
I have found that driving exacerbates my RSI or carpal tunnel syndrome. It is pretty logical as driving involves use of the hands. I have tried to minimize my driving by getting others to drive, walking, or taking public transportation. Try not standing and holding on while on the bus or subway as this will cause the same problems.