Paragraph 2
A
and ecology professor at the University of Vermont explained why this year has been so
. He said it was a combination of
, including good tree growth, mild drought, warm days and cool nights over the last month. He added that the colours came two weeks earlier than
, "and will probably go by fast and
". He said the drought creates "physiological
for the trees". He warned: "The stress is not a good
and may be a
of things to come with climate
. In terms of fall foliage, drought can cause the
to die."
