Minneapolis Star Tribune: The McKnight Foundation is announcing today that it will spend an unprecedented $100 million over the next five years to attack global warming worldwide. The state’s largest private foundation, McKnight is joining forces with other large U.S. foundations, including the William and Flora Hewlett Foundation and the David and Lucile Packard Foundation, in pledging more than $1 billion to prevent climate change. McKnight’s President Kate Wolford said the highly coordinated strategy …