States where spring sprang earlier than usual. The USA National Phenology Network's map below shows the springtime leaf activity earlier than average (in red tones) and later than average (blue ...

More: Climate change is affecting seasonal indicators.How phenology helps track those impacts. Monitoring sites shouldn’t be larger than 15 acres and should, ideally, have more than a single ...

Jon Stokes' 'A Guide to the Trees of Great Britain and Ireland' is a Wild Guide from the Tree Council. Tree Council trees, science and research director Stokes has produced a photographic ...