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There is a broad and clear scientific consensus that climate change is a pressing issue.

Changes in habitat have tremendous effects on the organisms that depend on them. These effects are ________.

Wilderness areas are off-limits to development of any kind but are open to low-impact recreation.

Which of the following is/are an example of a “service” provided by the atmosphere?

A forest manager monitors the results of logging and, after seeing that trees are disappearing too fast, adjusts the amount of timber cut. The manager is using as a management strategy.

According to the figure, how much has the global average sea level changed since 1880?

What does this graph reveal about wildfires in the United States over the past 30 years?

What does inbreeding depression result in?

How much area did the monarch butterflies occupy in 2016–2017 as compared to 1994–1995?

Ozone in the is a pollutant, but in the , it is vital for life.