Post-Growth Economics Explained: Moving Beyond GDP
Post-growth economics is a school of thought that challenges the primacy of GDP growth as a policy goal, arguing that endless economic expansion is…
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Hypoxia vs Anoxia in Aquatic Ecosystems: Definitions, Causes, and Consequences
Hypoxia and anoxia are conditions of low and zero dissolved oxygen, respectively, in water bodies. They occur when oxygen consumption by biological and chemical…
What Is Embodied Carbon in Buildings?
Embodied carbon refers to the greenhouse gas emissions from building material production, transportation, and construction. Reducing it is a critical and increasingly viable strategy…
Deoxygenation: Why the Ocean Is Losing Oxygen
Ocean deoxygenation is the decline in dissolved oxygen levels in the world's oceans, driven primarily by rising water temperatures and nutrient pollution. Warmer water…
Why Carbon Dioxide Accumulates in the Atmosphere
Carbon dioxide accumulates in the atmosphere because human activities—primarily burning fossil fuels and deforestation—release CO2 faster than natural sinks like oceans and forests can…
Induced Demand: Why Wider Roads Can Increase Traffic
Induced demand is the well-documented phenomenon where expanding road capacity leads to increased traffic volumes, often negating expected congestion relief. This analysis examines the…
Decarbonizing Maritime Shipping: Solutions for Global Trade Emissions
Shipping, the backbone of global trade, accounts for about 2-3% of global greenhouse gas emissions. A combination of energy efficiency, alternative fuels, and operational…
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…
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,…
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…