Notes for 4.3B Pollution and Waste - IB | RevisionDojo
4.3B Pollution and Waste Notes
Pollution and Waste
Definition
E-Waste
Waste and garbage of electronic devices.
Recycling and waste management
Digital technologies contribute to pollution and waste in various ways, but they can also play a role in recycling and waste management.
Environmental protection is commonly based on recycling.
Recycling: The process of reusing waste as materials and tools.
Example
E-waste dumping: Countries like Ghana and India receive large amounts of e-waste from developed nations, leading to environmental and health hazards.
Types of Pollution
Definition
Pollution
Reckless waste of substances that leads to negative environmental impacts.
Pollution can be divided into several types:
Air Pollution
Water Pollution
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Note
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Tip
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Note
Introduction to Pollution and Waste
Pollution refers to the introduction of harmful substances or products into the environment, causing adverse effects.
Waste is any material that is discarded after primary use or is considered no longer useful.
In the digital age, we face new challenges with e-waste and digital pollution.
DefinitionE-WasteDiscarded electronic devices and components, such as computers, smartphones, and televisions.
ExampleThink of e-waste as the digital equivalent of throwing away old clothes, but with potentially more harmful environmental effects.
AnalogyJust as a kitchen can become cluttered with unused gadgets, our world is becoming cluttered with unused electronic devices.
