But he's more interested in human-created problems.
"Is there anything more human than human-created land?" she asked.
Both human-created and natural air pollutants are darkening the ice, say other scientists.
Since then, I have been fascinated by how human-created habitat fragmentation influences birds.
The medium of literature, words, is indeed human-created, but of course this feature is far from unique to literature.
The next question is whether this relationship of species to area holds for "islands" of human-created habitat.
Chronicles revisits places and events from several of the many games in the series, which centers on people turned into zombies by a human-created virus.
Teilhard called the human-created world the noosphere, which slowly spread like a skin over the planet, like the biological skin (the biosphere) that preceded it.
There's evidence that some species are already shifting their distributions towards higher latitudes and elevations, but many others are unable to cross natural and human-created barriers.
