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Synthesis and Progress on Planetary Boundaries

The planetary boundaries framework is built on our understanding of the pressures of the Earth system, along with the recognition that if we push them too far, we risk crossing tipping points. Using…

From  SDG Academy 47 plays

Interference with Global Nitrogen and Phosphorous Cycles

This chapter discusses human impacts on the global nitrogen and phosphorus cycles that link the living and non-living parts of the Earth system. These chemical relationships control the general…

From  SDG Academy 91 plays

Quantification of the Nine Planetary Boundaries

Challenges arise when trying to define quantitatively the boundary position for each global process. First, a control variable is identified as a parameter that regulates each process, and then we…

From  SDG Academy 66 plays

Justification for Planetary Boundary Selection

A planetary boundary process is an environmental process that is part of the Earth's regulatory system, helping it to remain in our current desired state of the Holocene. There are nine…

From  SDG Academy 285 plays

Ocean Acidification

This chapter is about ocean acidification and explores the chemistry of ocean acidification, the consequences, and the connections within and outside of the planetary boundaries framework. Professor…

From  SDG Academy 23 plays

The Greenhouse Gases and Feedbacks

This chapter discusses anthropogenic greenhouse gases and climate forcing. It is important to note that carbon dioxide and other emitted gases mix with the atmosphere and have an effect on global…

From  SDG Academy 51 plays