How Food Production Affects Planetary Boundaries
Food production is the single largest driver of environmental change, pushing multiple planetary boundaries beyond safe limits. It contributes to climate change, biodiversity loss,…
Evidence library
Joaquimma Anna
Research, explainers and solution analysis for understanding change across a living planet.
349 resources
What Is Environmental Justice? Definition, History, and Key Principles
Environmental justice is the fair treatment and meaningful involvement of all people regardless of race, color, national origin, or income with respect to the…
What Is a Nature-Based Solution? A Comprehensive Analysis
Nature-based solutions (NbS) are actions that protect, manage, or restore ecosystems to address societal challenges such as climate change, water security, and biodiversity loss.…
How Urbanization Changes Energy and Resource Use
Urbanization fundamentally alters energy and resource use by concentrating populations, changing consumption patterns, and reshaping infrastructure. While cities can drive efficiency through density and…
Can Renewable Energy Operate Without Fossil Fuels? A Solution Analysis
While technically feasible in theory, a fully renewable energy system without any fossil fuel backup has not yet been demonstrated at large scale. High-penetration…
How Inequality Affects Environmental Risk
Inequality shapes environmental risk by concentrating hazards in disadvantaged communities while limiting their capacity to respond. Low-income and marginalized groups often face greater exposure…
What Is the Global Carbon Budget?
The global carbon budget is the total amount of carbon dioxide (CO₂) that can be emitted while still limiting global warming to a specific…
Primary vs Secondary Microplastics: Definitions, Sources, and Environmental Impact
Primary microplastics are intentionally manufactured small plastic particles, such as microbeads and industrial pellets, while secondary microplastics result from the breakdown of larger plastic…
What Is a Climate Tipping Point?
A climate tipping point is a critical threshold beyond which a natural system undergoes a significant, often irreversible change, even if the driving forces…
What Happens When a Planetary Boundary Is Transgressed?
Transgression of a planetary boundary means that a key Earth-system control variable has moved beyond the proposed safe operating space, entering a zone of…