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Acton

Climate change’s toll on flowers, insects

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The Acton Garden Club is sponsoring the first in a series of free public lectures on environmental and horticultural issues at 7:30 p.m. Sept. 12 in Town Hall, Room 204. The lectures are funded by the estate of former club president Shirley Towle. The first talk will feature Boston University professor Richard B. Primack, who has used the extensive records kept by Henry David Thoreau in his research into the impact of climate change on the flowering and leafing-out dates of plants, the spring arrival of birds, and the flight times of insects in Massachusetts, Japan, and South Korea. He will also discuss the potential for ecological mismatches among species because of climate change.