Why Freshwater Change Is More Than Water Consumption
Freshwater change encompasses shifts in water availability, quality, timing, and distribution driven by climate change, land use, pollution, and other factors beyond direct human…
Evidence library
Joaquimma Anna
Research, explainers and solution analysis for understanding change across a living planet.
201 resources
Deforestation vs Forest Degradation: Key Differences and Why They Matter
Deforestation is the permanent conversion of forest to non-forest land uses, while forest degradation is the reduction of a forest's quality and capacity to…
What Is Sufficiency in Sustainability Policy?
Sufficiency in sustainability policy is a strategy that aims to reduce absolute resource consumption and demand to within ecological limits. It emphasizes 'enough' rather…
What Is Desertification? Definition, Causes, and Solutions
Desertification is the persistent degradation of dryland ecosystems by human activities and climatic variations, leading to the loss of biological productivity and the expansion…
Why Tipping-Point Timelines Are Difficult to Predict
Tipping-point timelines are difficult to predict because they involve complex, non-linear systems with multiple interacting feedback loops, incomplete data, and inherent uncertainties. Small changes…
Glacier Mass Balance Explained: How It Works, Why It Matters, and Key Facts
Glacier mass balance is the net gain or loss of ice on a glacier over a specific period, typically a year. It is the…
Green Bonds and Sustainability-Linked Bonds: Definitions, Mechanisms, and Impact
Green bonds are fixed-income instruments that earmark proceeds for environmental projects, while sustainability-linked bonds tie financial terms to the issuer's achievement of sustainability targets.…
Solar Radiation Modification: Potential and Risks
Solar radiation modification (SRM) encompasses a set of proposed techniques to reflect a small fraction of sunlight back into space to cool the Earth.…
How Carbon Dioxide Changes Ocean Chemistry
When carbon dioxide (CO₂) from the atmosphere dissolves in seawater, it triggers a series of chemical reactions that lower the ocean's pH, a process…
Gross Zero vs Net Zero Emissions: Understanding the Difference
Gross zero emissions means eliminating all greenhouse gas emissions at their source, while net zero allows for some residual emissions to be balanced by…