Ammonia Pollution From Agriculture: Sources, Impacts, and Solutions
Ammonia pollution from agriculture is the release of gaseous ammonia (NH₃) into the air from livestock manure and nitrogen fertilizers. Once airborne, ammonia reacts…
Evidence library
Joaquimma Anna
Research, explainers and solution analysis for understanding change across a living planet.
350 resources
Increasing CO₂ threatens human nutrition
A 2014 study in Nature found that rising atmospheric CO₂ levels reduce the protein, iron, and zinc content of staple crops like wheat, rice,…
How Predator Loss Changes Entire Ecosystems
Predator loss triggers trophic cascades that can unravel entire ecosystems, leading to overgrazing, habitat degradation, and loss of biodiversity. Understanding these cascading effects reveals…
Nuclear Power and Planetary Boundaries
Nuclear power is a low-carbon energy source that can help humanity stay within the climate change planetary boundary, but it also exerts pressure on…
Electric Cars vs Public Transport: A Comparative Analysis of Sustainable Mobility Solutions
Electric cars and public transport are two key strategies for reducing transport emissions. Public transport generally offers greater efficiency and co-benefits in dense urban…
Constructed Wetlands for Nutrient Removal
Constructed wetlands are engineered systems that use natural processes involving wetland vegetation, soils, and their associated microbial communities to remove nutrients such as nitrogen…
Bioenergy With Carbon Capture and Storage (BECCS) Explained
Bioenergy with carbon capture and storage (BECCS) is a carbon dioxide removal technology that combines energy generation from biomass with the capture and permanent…
What Is a Moving Average? Understanding the 50-Day Simple Moving Average of the S&P 500
A moving average is a statistical calculation used to smooth out short-term fluctuations and highlight longer-term trends in data. As of March 7, 2025,…
Can Economic Growth Be Absolutely Decoupled From Resource Use?
Absolute decoupling occurs when economic output (GDP) grows while total resource consumption or environmental impact declines in absolute terms. Evidence shows that while relative…
Regenerative Agriculture: Evidence Behind the Claims
Regenerative agriculture is a holistic approach to farming and grazing that aims to restore soil health, increase biodiversity, and sequester atmospheric carbon. While its…