HS-ESS3-2
Evaluate competing design solutions for developing, managing, and utilizing energy and mineral resources based on cost-benefit ratios.
- Agriculture
Your food choices affect Earth’s climate
Producing food can put a lot of climate-warming pollutants into the atmosphere. But some foods, especially meats, contribute more than others.
- Tech
The road less worn
Two teens have found a new use for old tires. By grinding them up and adding them to asphalt, the old rubber can create stronger, longer-lived roads. And the bonus: The process recycles tires that might otherwise have been burned, creating pollution.
- Environment
China exports pollution alongside goods
Many companies have moved the plants that make their products to developing countries, such as China. But the pollution linked to making those products can travel around the world.
- Earth
Mining metals amidst seafloor animals
Miners may need to get their feet — and everything else — wet as they carefully seek out loads of copper and other valuable natural resources.
- Chemistry
Plant-powered plastics
Scientists are using green materials to create more Earth-friendly plastics.
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- Tech
Cold house, hot house, green house
Saving energy at home requires paying attention to the building's windows, walls, and roof.
- Environment
A newspaper’s hidden cost
Getting a newspaper electronically would be much better for the planet than receiving the paper version.
- Tech
Drawing energy out of wastewater
Microbes in a fuel cell can generate electricity from plant and animal waste in water.
