Food chain – Series of steps by which energy is obtained, used, and changed by living things. Example – sunlight helps grain to grow, the grain feeds cattle, and humans eat the cattle ...

Human-caused climate change is threatening the fate of an endangered California rodent that plays a crucial role in the Mojave Desert food chain, UC Davis researchers have found. Amargosa voles ...

A group of West Virginia University students is addressing the growing problem of “food deserts” in the state, as the combination of a declining rural population and below-average income have ...

A study of how the Martu shaped their land presents an example where humans seem to benefit an environment perceived as wilderness. By JoAnna Klein In Australia in recent decades, the bilby, the ...