Reusable water bottle brand frank green has just introduced its signature product in four limited edition colourways.

Engineer Guy Bill Hammack explained the ingenious design behind a recyclable two liter PET plastic soda bottle.

Shopping for the best water bottles used to be easy, but between TikTok water bottle cults and emotional support Hydro Flasks (okay, we’ve been there), hydration has gotten weirdly complicated. Sure, ...