I can't reply to Andys627 directly, so from his citation Background Public health must continually respond to new threats reflecting wider societal changes. Ec

I can't reply to Andys627 directly, so from his citation Background Public health must continually respond to new threats reflecting wider societal changes. Ecological public health recognizes the links between human health and global sustainability. We argue that these links are typified by the harms caused by dependence on private cars. Right there off the bat tells us that they have a political ideology that they're trying to justify with their "study".