How Microplastics Move Through Food Webs
Microplastics, tiny plastic particles less than 5 millimeters in size, enter food webs when they are ingested by organisms at the base of the…
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“Food systems”
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Why Environmental Problems Are Systems Problems
Environmental problems are systems problems because they arise from complex interactions between natural and human systems, characterized by feedback loops, non-linear dynamics, and interconnected…
Systems Thinking for Sustainability
Learn how systems thinking helps solve sustainability challenges by understanding feedback loops, complexity, resilience, leverage points, and interconnected Earth systems.
Biodiversity and Biosphere Integrity: Why Living Systems Matter
Learn why biodiversity and biosphere integrity are essential for Earth system stability, ecosystem resilience, climate regulation, and human well-being.
How E-Waste Affects People and Ecosystems
Electronic waste, or e-waste, contains hazardous substances such as lead, mercury, and flame retardants that, when improperly disposed of or informally recycled, contaminate air,…
Why Pollinators Matter to Food Security
Pollinators, including bees, butterflies, birds, and bats, are essential for the reproduction of many flowering plants, including a significant portion of global food crops.…
Which Foods Have the Largest Environmental Footprint?
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…
How Food Waste Affects Climate and Land Use
Food waste is the discarding of edible food throughout the supply chain and by consumers. When food is wasted, all the resources used to…
How Food Production Affects Planetary Boundaries
Food production is the single largest driver of environmental change, pushing multiple planetary boundaries beyond safe limits. It contributes to climate change, biodiversity loss,…
Land Sparing vs Land Sharing: Balancing Food Production and Biodiversity
Land sparing and land sharing are two contrasting strategies for balancing agricultural production with biodiversity conservation. Land sparing involves intensifying farming on existing land…