question: is there such thing as a human carrying capacity?

We are all living together here on this big beautiful green and blue rock we like to call Earth.  She provides us with so many wonderful things - most importantly the raw materials and environmental services that keep us alive.  Despite being so lucky as to have these gifts from nature, we as humans seem …

a description of gray wolves and a cost-benefit analysis of their conservation

The gray wolf (Canis lupus) is a keystone predator with a wide range of habitats that include temperate forests, mountains, tundra, taiga and grasslands (5). As keystone predators, they play a unique and crucial role in the way an ecosystem functions by helping to control the distribution and population of large numbers of prey species …