Evidence library
Research, explainers and solution analysis for understanding change across a living planet.
201 resourcesA 2018 systematic review found that approximately 60% of observational studies in environmental health used causal language inappropriately, highlighting the persistent challenge of distinguishing…
Animal-based foods, particularly beef and lamb, have the largest environmental footprints in terms of greenhouse gas emissions, land use, and water consumption. Plant-based foods…
Phosphorus pollution is the excessive input of phosphorus into water bodies, primarily from agricultural runoff, wastewater, and industrial discharges. It triggers eutrophication, leading to…
Direct air capture (DAC) is a technology that removes CO2 directly from the atmosphere. It addresses the need for negative emissions to meet climate…
Green water is precipitation stored in soil and used by plants, while blue water is liquid water in rivers, lakes, and aquifers. These concepts,…
In 2023, NASA GISTEMP reported a global surface temperature anomaly of 0.89°C above the 1981–2010 average, while the UK Met Office's HadCRUT5 dataset reported…
Ecosystem restoration can partially reverse biodiversity loss by reviving habitats and species populations, but it cannot fully restore original biodiversity or replace the need…
Model projections and predictions are distinct concepts in climate science. As of 2024, the IPCC AR6 projects a global temperature increase of 1.5°C by…
This analysis examines the debate over whether individual actions or systemic changes are more effective in solving large-scale societal problems. While individual actions are…
Food waste is the discarding of edible food throughout the supply chain and by consumers. When food is wasted, all the resources used to…
