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Manufacturers inject carbon dioxide into beverages to make them fizzy. Jenny Dettrick/Moment via Getty Images

The bubbly chemistry behind carbonated beverages

Ever wonder how soda manufacturers get the bubbles and fizz inside the can? A chemist explains some of the science behind the carbonation process. Hint − it involves carbon.
Newfoundland and Labrador has implemented a tax of 20 cents per litre on sugary drinks. (AP Photo/Jenny Kane)

How taxing sugary drinks reinforces weight stigma

Taxation of sugar-sweetened drinks is not only inequitable, but also has the potential to create or perpetuate weight stigma, which has negative effects on mental and physical health.
Consumer decisions could play a critical role in dealing with climate change. A study gauging perceptions was published May 13, 2021. FotographiaBasica via Getty Images

Using captured CO₂ in everyday products could help fight climate change, but will consumers want them?

A large-scale survey asked people exactly that. One use of recycled carbon dioxide stood out.
A water bottle sits on the table in front of Chief and NDP candidate Rudy Turtle during a visit by NDP Leader Jagmeet Singh on Oct. 5, 2019 on the Grassy Narrows First Nation, where industrial mercury poisoning in its water system has seriously affected the health of the community. THE CANADIAN PRESS/Paul Chiasson

A sin tax on sugary drinks unfairly targets Indigenous communities instead of improving health

A tax on sugar-sweetened beverages may be intended to improve health, but for Indigenous consumers, such a tax would be unethical, contravene tax law and undermine Indigenous rights.
Carbonation and flavors are all that go into most seltzers. stockcam/E+ via Getty Images

Is seltzer water healthy?

Bubbly waters are becoming increasingly popular. While these carbonated, sometimes flavored beverages might cause slight harm to teeth, they are far better than soda. They might even be good for you.

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