The United States is the clear leader in total area of forests approved by the Forest Stewardship Council.

If you visited Curitiba, Brazil, you would expect to find

The world population increases by about ____ people each day.

Strip cutting of timber is a method of harvesting that

Between 1850 and 2009, the global urban revolution resulted in urban population increasing from

When we speak of protecting the environment, we are referring to

If industry managers ask the question “How can my company avoid producing polluting air exhaust from my factory?” they are seeking pollution prevent, which is preferable to pollution cleanup.

In the Sonoran desert of the southwestern United States, scientists observed that population clusters of a small cactus were very pronounced around nests of desert woodrats.  They began to think the woodrat was somehow connected to the seeding of these cactus plants.  After years of counting and observing the woodrat nests and cactus plants, they collected the droppings of the woodrats and took them back to the lab to analyze them to see if they contained seeds of the cactus.  They also collected the droppings and transported them to other areas to see if this would bring about new population clusters of the cactus.They also programmed the data they had collected into a computer.  The computer program allowed the scientists to predict that increases in the woodrat population would result in increases in the cactus population, and likewise a decrease in woodrats would signal an impending decrease in cactus.The study described above is best categorized as

An intertidal species of seastar helps to maintain the diversity of the intertidal region by controlling the mussel population. Without the seastar, the mussel population would crowd out other species and take over their territory. The seastar could be called a(n)

Bacteria and fungi are typically categorized as which of the following ecosystem components?