Engineering

A renewable energy-based bi-directional heat trade system

Global energy trends are shifting toward digitalization, decarbonization and decentralization. Global warming and climate anomalies attributable to environmental pollution featured in the daily news indicate that the threats ...

Business

The challenges of mining for electric-vehicle batteries

In August 2022, Congress passed the Inflation Reduction Act (IRA). Signed by President Joe Biden, the legislation attempted to curb inflation, lower the deficit, and invest heavily into domestic clean energy.

Energy & Green Tech

Reused car batteries rev up electric grid

When aging vehicle batteries lack the juice to power your car anymore, they may still hold energy. Yet it's tough to find new uses for lithium-ion batteries with different makers, ages and sizes. A solution is urgently needed ...

Computer Sciences

AI improves detail, estimate of urban air pollution

Using artificial intelligence, Cornell engineers have simplified and reinforced models that accurately calculate the fine particulate matter (PM2.5)—the soot, dust and exhaust emitted by trucks and cars that get into human ...

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Pollutant

A pollutant is a waste material that pollutes air, water or soil, and is the cause of pollution.

Three factors determine the severity of a pollutant: its chemical nature, its concentration and its persistence. Some pollutants are biodegradable and therefore will not persist in the environment in the long term. However the degradation products of some pollutants are themselves polluting such as the products DDE and DDD produced from degradation of DDT

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