Scientists analyzed nine so-called planetary boundaries and found humans are currently transgressing six. Skip to main content. Scientific American. September 13, 2023. 6 min read.

The new update on the Planetary Boundaries framework shows that six of the nine boundaries are transgressed. Credit: Azote for Stockholm Resilience Centre, based on analysis in Richardson et al 2023.

According to the University of California-San Diego, "the planetary boundaries concept, first published in 2009, identifies nine global priorities relating to human-induced changes to the environment.

The planetary boundaries framework defines biophysical and biochemical systems that regulate the stability of the Earth's systems. Boundaries mark points where each system diverges significantly from ...

Crossing planetary boundaries does not mean the world has reached a disastrous tipping point. Hitting one does not mean “falling off a cliff,” Richardson said. But it is a clear warning signal.

The planetary boundaries framework is based on the idea that the past 10 millennia have seen a particularly stable climate for humans. Richardson and her colleagues have been using the nine planetary ...

The researchers reviewed 350 scientific papers and data sources to assess how land use change and land degradation impacts and interacts with seven “land-based” planetary boundaries. The ...

The Planetary Boundaries framework is a pivotal tool for tackling the climate crisis and safeguarding humanity's future on Earth. For the first time, the full story of the Planetary Boundaries is ...

The Planetary Health Check is the first in a series of annual reports led by PIK and organized by the Planetary Boundaries Science initiative. It builds on years of research to inform solutions on ...

Four of nine planetary boundaries have now been crossed as a result of human activity, says an international team of 18 researchers that includes Scripps Institution of Oceanography at UC San Diego ...

Plastic pollution exacerbates the impacts of all planetary boundaries, including climate change, ocean acidification and biodiversity loss, a new paper shows. Ahead of the final negotiations of ...