A study published Wednesday found that wildflowers at Walden Pond blossomed earlier during the record-warm springs of 2010 and 2012 than ever before documented, 21 and 20 days sooner, respectively, than observed by Henry David Thoreau during the 1850s.
A season of change at Walden Pond
You have reached the limit of 10 free articles a month
Stay informed with unlimited access to Boston’s trusted news source.
- High-quality journalism from the region’s largest newsroom
- Convenient access across all of your devices
- Today’s Headlines daily newsletter
- Subscriber-only access to exclusive offers, events, contests, eBooks, and more
- Less than $1 a week