Nitrogen and Phosphorus Cycles: The Hidden Planetary Crisis
Learn how human disruption of the nitrogen and phosphorus cycles affects climate, freshwater, biodiversity, food production, and Earth's planetary boundaries.
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“Food systems”
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206 resultsLand-System Change: Agriculture, Forests and Earth’s Resilience
Learn how agriculture, deforestation, and land-use change affect climate, biodiversity, freshwater, and Earth's resilience through the land-system change planetary boundary.
Climate Change Explained: Causes, Evidence, Impacts and Solutions
A complete guide to climate change, including causes, scientific evidence, impacts, adaptation, mitigation, carbon cycles, and practical climate solutions.
Planetary Boundaries Explained: Earth’s Safe Operating Space for Humanity
Human civilization depends on more than economic growth, technological innovation, and political stability. It also depends on a functioning planet. Reliable rainfall supports agriculture.…
What Does “Safe Operating Space for Humanity” Mean?
The “safe operating space for humanity” is the central concept of the planetary boundaries framework, defining a Holocene-like state in which human societies can…
Green Growth vs Degrowth: Definitions, Evidence, and Implications
Green growth is an economic paradigm that seeks to decouple economic growth from environmental degradation through technological innovation and efficiency improvements. Degrowth, in contrast,…
Can Humanity Return Within the Planetary Boundaries?
The planetary boundaries framework defines a safe operating space for humanity. As of 2023, six of nine boundaries are transgressed, raising the question of…
Chemical Production and the Planetary Boundaries Framework
Chemical production is a primary driver of the 'novel entities' planetary boundary, which addresses the release of synthetic chemicals and other human-made substances into…
What Does Net Zero Actually Mean?
Net zero refers to achieving a balance between the amount of greenhouse gases emitted into the atmosphere and the amount removed. It is a…
Ocean Dead Zones: Causes, Impacts and Solutions
Ocean dead zones are hypoxic areas where marine life cannot survive, caused primarily by nutrient pollution from agriculture and sewage. They disrupt ecosystems, harm…