When Charlotte Adelman was a student at the University of Chicago, the nearby parks became a refuge for her, a sprawling expanse of green where she could escape the concrete urban landscape. It was then, many decades ago, that Adelman began her journey to becoming a fighter for environmental justice. Along the way, she has fought to preserve open spaces, ban pesticides in Wilmette and co-authored a book, “Prairie Directory of North America.” Now, Adelman, 81, has set her sights on her biggest target yet — to block the Obama Presidential Center from being built in Jackson Park. Adelman, along...