They’re part of British Nordic Walking and INWA & have a wealth of information on their website, including numerous blog posts, with a ‘Search’ window, about all aspects of Nordic walking:
https://bristolnordicwalking.co.uk/blog/

https://britishnordicwalking.org.uk/
They also have a blog section and lots of research references about the various benefits:
https://britishnordicwalking.org.uk/pages/nordic-walking-research

The International Nordic Walking Federation (INWA) is the Global Governing Body for Nordic Walking and the only organisation officially authorised by Nordic Walking’s inventors to promote, advance and protect the fundamental elements of Nordic Walking. British Nordic Walking are their only representatives in the UK. INWA are involved in the training of instructors, disseminating research and organising events and races. https://www.inwa-nordicwalking.com/

Where you will find a mixture of photos from recent walks, some ‘Featured’ technique videos at the top and the occasional research article.
https://www.facebook.com/profile.php?id=100090784148765