Zero Coke

Whats in coke zero? My wife and i have been pondering that since christmas last. How can a coke have as many calories as a glass of water?

Is it safe?

The zero coke movement have a remarkably informative website which is well worth the taking the time to check out.

Here is a quote.
1.) Try choosing water over processed, packaged beverages. It's zero calorie, zero pollution and in developed countries, costs virtually zero.
2.) Take your soda money and give it to people who really need it:
For example, donate to UNICEF's Water and Sanitation Programs