The tax, implemented on Jan. 1, is aimed at curbing soda consumption while generating revenue for city infrastructure and education projects.
Three California cities are voting on one-cent-per-ounce soda taxes, while Boulder, Colorado's two-cent-per-fluid-ounce tax would be the highest in the country.
The Philadelphia City Council voted last week in favor of a 1.5-cent-per-ounce tax on sodas and other artificially sweetened drinks.
Former New York City Michael Bloomberg is pledging his money and support for the proposed Philadelphia soda tax.
In the U.S., soda taxes haven't had the impact activists had hoped for, but globally it's a different story.
A new study finds that simply opening stores that offer fresh produce doesn't mean residents in food deserts will change their eating habits.
For the first time in thirty years, studies are showing declines in childhood obesity rates.
As schools increase their attack on childhood obesity, one school shows how a group of parents are working to ensure their kids have access to healthy food.