Tim Melling – Anna’s Hummingbird

Tim writes: The Anna’s Hummingbird is about 10cm from bill tip to tail and weighs less than five grams.  It was named after Princess Anna d’Essling the 19th century  Duchess of Rivoli, wife of Prince Victor Massena and son of one of Napoleon’s Marshalls.  It was named by René Lesson, a French naturalist who also…

Wild food (14) – Sweet Chestnut by Ian Carter

This is not a native tree but it has been established in Britain for around 2,000 years and the nuts have long been exploited by humans. They only ripen well in some years and, even then, only on a sub-set of the mature trees. Climate change may help as the tree is native to warmer…

Sustainable dilemmas (4) – offsetting

I was part of a brief discussion the other day about lifetime offsetting. The idea of offsetting is probably familiar to you: we all do things that cause the emission of greenhouse gases (travelling is a prime example).  Jumping on a plane increases GHG emissions and that increases the impacts of climate change.  But heating…