Climate Reparations: Arguments and Challenges
Climate reparations refer to the idea that wealthy, high-emitting nations should compensate poorer, low-emitting nations for the loss and damage caused by climate change,…
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“Food systems”
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Ocean Alkalinity Enhancement: Potential and Risks
Quick verdict: Ocean alkalinity enhancement is a promising but unproven carbon removal method that could also mitigate ocean acidification. It faces significant uncertainties regarding…
What Is a Marine Heatwave? Definition, Causes, and Impacts
A marine heatwave is a prolonged period of unusually warm ocean temperatures that can disrupt marine ecosystems, fuel extreme weather, and affect human communities.…
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…
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 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…
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…
Avoidance Credits vs Removal Credits: A Comparative Analysis of Carbon Market Instruments
Avoidance credits finance projects that prevent emissions, while removal credits support projects that extract CO2 from the atmosphere. Both are used in carbon markets…