The Tides Foundation, like the Pew Foundation and the Ford foundation, are all linked in one way or another to radical attacks on America, and have been for decades, if not for the past 50 years.
Others like The Audubon Society, The Sierra Club, The Nature Conservancy and American Rivers contribute to the chaos of radical left and communist-like objectives, but they mainly milk the system through various high-minded rhetoric that scams thousands of the gullible every year.