Field Notes
The Journal
Material science, sustainability, and what's next for disc golf.
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Hubble PHAse 1: The First PHA Disc Golf Disc Ever Approved by the PDGA
On February 23, 2026, the Hubble PHAse 1 became the first disc golf disc in history to receive PDGA approval in PHA, the only plastic certified to biodegrade in natural environm...
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