Scientists at the U say a warming climate and shifts in precipitation threaten Minnesota's forests by altering the ability of the state's ecosystems to support tree life. According to their forecasts, Minnesotans can expect more prairie and less forest in coming decades.
As prices for key agricultural products have soared, so have farmers' incomes and the value of their land. But at least one indicator, the ratio between the purchase price of land and what it rents for, suggests that the prices may be getting too high. Here's a look at various indicators of how these trends have influenced each other.
Water is needed in vast amounts to keep the animals and plants thriving at the Minnesota Zoo. It starts in aquifers deep under Apple Valley and ends with Allan Maguire who adds a dash of "Instant Ocean," turns the crank and -- presto -- makes a home where exotic ocean fish and mammals thrive.
SOURCES: Minnesota Pollution Control Agency; Minnesota Energy Office; "The Environment Equation," by Alex Shimo-Barry; Alliance for Sustainability; National Geographic Green Guide; Living Green Expo; greenguardian.org; Consumer Reports; reduce.org.
by GRAPHIC BY MARK BOSWELL AND KAREN YOUSO