The continued increase in the use of metals over the 20th century has led to the phenomenon
of a substantial shift in metal stocks from the lithosphere to the anthroposphere. Such a …

Model-based support of climate policy is scientifically challenging because climate change
involves linked physical and social systems that operate on multiple levels: local, national, …

A key aspect to achieving long-term resource sustainability is the development of
methodologies that explore future material cycles and their environmental impact. Using a novel …

In order to develop long-term scenarios of copper supply and demand, a grade-tonnage
density function model was developed for four major copper ore types. The model was used to …

Streams in urbanizing watersheds are threatened by economic development that can lead
to excessive sediment erosion and surface runoff. These anthropogenic stressors diminish …

Humanity confronts a daunting double challenge in the 21st century: meeting widely-held
aspirations for equitable human development while preserving the bio-physical integrity of …

The use of scenarios has proven valuable for global change analysis as a means for
organizing and communicating information about uncertain future socioeconomic conditions. A …

While significant modeling advances have unpacked the complexities of interdependent
infrastructure, post-disaster reconnaissance consistently demonstrates a wide variability of …

A substantial increase in predictive capacity is needed to anticipate and mitigate the widespread
change in ecosystems and their services in the face of climate and biodiversity crises. In …

Indicators have been proposed as critical elements for sustained climate assessment.
Indicators provide a foundation for assessing change on an ongoing basis and presenting that …