"As you grow older, you'll see white men cheat black men every day of your life, but let me tell you something and don't you forget it—whenever a white man does that to a black man, no matter who he is, how rich he is, or how fine a family he comes from, that white man is trash."

Explanation:

The novel  To Kill A Mockingbird is mostly about racism, the novel does touch upon class differences, with examples such as the Cunninghams. In the south, many people pride themselves on their wealth or their well-known family. In the second part of the quote, Atticus emphasizes that anyone can be racist, even people from high-class families. Atticus says that racists are trash, despite their other qualities. It doesn't matter where you come from; you should not cheat someone else.

many scientists' predictions of climate change include: warmer temperatures, rising sea levels, and more frequent storms.

that is the wrong

as for symbolic actions, the narrator's tearing down the wallpaper in an attempt to find the "woman" in the wallpaper represents her struggle to retain or regain her sanity.   the wallpaper has been part of her confinement and by her tearing it down, she is freeing herself from that confinement.