Though growing seasons in some areas will expand, the combined impacts of drought, severe weather, lack of
accumulated snowmelt, greater number and diversity of pests, lower groundwater tables and a loss of arable land could cause severe crop failures and livestock shortages worldwide.
Birch trees not performing as expected That means a shorter period for snow to
accumulate in winter and a bigger gap between
snowmelt and summer rains, two factors that work together to produce more intense dry spells.