Chesterton Tribune: Indiana Dunes National Lakeshore is one of 25 national parks identified as being most threatened by climate change in a study conducted jointly by the Natural Resources Defense Council and the Rocky Mountain Climate Organization. The study, released on Thursday, characterizes the National Lakeshore as “vulnerable to a loss of ice and snow, a loss of water, more downpours and floods, a loss of plant communities, a loss of wildlife, more crowding, a loss of fishing, and more air …