Evidence library
Research, explainers and solution analysis for understanding change across a living planet.
350 resourcesThe Shared Socioeconomic Pathways (SSPs) are a set of five global scenarios (SSP1–SSP5) used in climate research to describe alternative socioeconomic futures through 2100.…
Captive breeding is a conservation strategy where endangered species are bred in controlled environments like zoos or breeding centers to boost population numbers. While…
Wastewater reuse involves treating and repurposing water from domestic, industrial, or agricultural sources for beneficial applications such as irrigation, industrial processes, and even drinking…
Methane from permafrost refers to the release of methane, a potent greenhouse gas, as perennially frozen ground thaws due to rising temperatures. Microbes decompose…
No Net Loss (NNL) is a policy principle aiming to balance biodiversity losses from development with equivalent gains, while Nature Positive is a global…
Levelized Cost of Energy (LCOE) is a metric used to compare the lifetime costs of different electricity generation technologies on a consistent basis. It…
Recyclable, recycled, and reusable claims describe different environmental attributes of products and packaging. A recyclable item can be collected and reprocessed into new materials,…
Carbon dioxide (CO₂) does not have a single atmospheric lifetime. About half of emitted CO₂ is removed within 30 years, but a substantial fraction…
The agricultural yield gap is the difference between the potential yield of a crop under ideal conditions and the actual yield achieved by farmers.…
Tire-wear pollution is the release of tiny particles from vehicle tires as they abrade against road surfaces. These particles, composed of synthetic rubber and…
