YORKSHIRE Dales environmental campaigning charity, Friends of the Dales next online talk will be by National Trust Property Ecologist, Dr. Elizabeth Sullivan.

Talking about Malham Tarn National Nature Reserve and its habitats, Dr Sullivan will focus on those species at England’s highest lime-rich lake along with the moss and its wetland areas.

She will also introduce some of the key flora and fauna at the site, providing insight into how they are monitored and managed. The talk on Wednesday, December 4 starts at 5pm and is free to join. To register visit: www.friendsofthedales.org.uk/events