>>633475Cultural differences. Whitey has a pretty long history with the outdoors - the British established game reserves in Africa, White Americans established the aforementioned national parks, etc. Even today the Boy Scouts of America is seen as a largely White organization. Mountain men, explorers, and trappers are an integral part of the White American history and cultural heritage, but to nonwhites they're just more old dead honkeys. I suspect this connection has far deeper roots, since old folktales in White countries often involve the fae, dwarves, and other things that are inextricably tied to nature. Maybe it goes all the way back to paganism, or maybe there's something hereditary in Europeans that causes this attraction. There's a correlation either way.
Blacks, on the other hand, have never felt this connection to the outdoors. When colonialism ended in Africa, the animals in the game reserves were slaughtered for food until wealthy white people paid to protect them. It wasn't necessarily out of malice; preserving wildlife simply wasn't something they cared about. Similarly, Black culture in America is entirely urban-centric. Their heroes aren't Lewis and Clark or Daniel Boone, but rather Rosa Parks and MLK. The issues that matter to them are policing policy and welfare, not oil drilling in the arctic or deforestation.
Beyond Blacks and Whites, pretty much everybody in the US is descended from recent immigrants. These immigrants settled in cities; it's all they know. I don't really have a great sense for the home cultures of these people, but I don't particularly think of any of them as being nature-oriented the way Whites are.
You see plenty of Chinese and Japanese tourists at American national parks as well, although they often stick to easily accessible parts of the park. To be fair, they probably have limited knowledge of the area and limited time to see America, so this could be a result of being tourists as much as anything.