WASHINGTON, Sept. 1 -- The National Park Foundation issued the following news release: The National Park Foundation, the official charity of America's national parks, is inviting schools across the country to experience the effects of climate change firsthand through an exploration of Washington state's North Cascades National Park in an innovative new Electronic Field Trip (EFT) on Wednesday, October 13th, 2010. As part of the program, the National Park Foundation has unveiled www.northcasca  more