New buildings often reduce the amount of water absorbed into the ground. Which of the following innovations would improve ground water absorption in the development of a new mall compared to conventional building methods?

DDT is an insecticide that was banned in the United States in 1972 because it has been shown to cause cancer and negative environmental impacts. In recent years, some scientists have argued that DDT should be used again despite the possible health effects.

Which statement best describes the intent of the Endangered Species Act of 1973?

The National Park act was passed in 1916. What was the major reason for creating the act?

The Texas automobile emissions regulations ensure compliance with the requirements of all of the following except ―

Which environmental issue is directly addressed by the Clean Water Act?

The Environmental Protection Agency of the United States works to reduce emissions of chlorofluorocarbons through legislation and regulation. This is done to help meet the conditions of the Montreal Protocol. It was signed by President Reagan in 1987 and ratified by 196 other countries. What is the primary objective of the Protocol?

The Protocol on Environmental Protection to the Antarctic is part of the Antarctic Treaty System. It provides for comprehensive protection of the Antarctic environment and its ecosystems. The treaty has been signed by over 40 countries, including the U.S. Enforcement of the treaty began on June 23, 1961. Which of the following was not an effect of the treaty?

Which document was designed to reduce greenhouse gases produced by countries around the world?

Eighty percent of the island of Greenland is covered by a glacier. In 2007, a new record was set as 40% of the ice sheet showed signs of melting. What do scientists believe to be the primary contributor to this glacier retreat that has been happening since the 1980s?

Mass extermination efforts in the first half of the 20th century decimated the gray wolf population. Which of the following was not an effect on the other existing populations in the Western United States?

Which of the following occurrences is considered a type of point source pollution?

Local ecologists are called to investigate a fish kill near a power plant in their community. The plant uses a steam turbine to heat water to power a generator. Scientists can find no traces of harmful chemicals in the water table or in the dead animals. What is the most likely source of the problem?

Many factories require large amounts of water to cool the engines of their machines. When this occurs, the water may be pulled from a nearby river. When the company no longer needs the water, it is routed back to the river. What type of pollution is most likely to be caused by this practice if it is not monitored and regulated?

Air pollution from industrial activities appears to be affecting the Arctic. Pollution, such as hydrocarbons, sulphates, and soot is deposited, darkening the snow and hastening melting. If the polar ice caps were to melt, all of the following would occur except —

How do regional changes in the environment cause a widespread change in weather like the one described in the excerpt from Nature News above?

What role might the newly established eucalyptus forest play in this ecosystem?

Which of the following is not a valid argument used to oppose the use of genetically modified organisms (GMOs) in food production?