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The Environmental Cost of Batteries and Critical Minerals

A battery produces no exhaust while it is being used, but what happened before its materials reached the battery factory? Open Full Article...

Why Energy Storage Is Essential for a Reliable Electricity System

What happens when electricity is generated hours, days or seasons before people need it? Open Full Article...

Wind, Solar, Nuclear and Gas: Comparing the Real Energy Trade-Offs

Could a power station rated at 1,000 megawatts produce only a small amount of electricity in a year? Open Full Article...

How Britain’s Electricity Grid Balances Supply and Demand

Imagine millions of kettles switching on just as a large generator disconnects: how can electricity remain available before most people notice? Open Full Article...

The Climate Has Always Changed: Does That Disprove Human-Caused Warming?

If Earth warmed and cooled before factories and cars existed, why do scientists blame humans now? Open Full Article...

Could You Make the Right Decision? An Environment and Sustainability Challenge

Can protecting nature still produce an unsustainable decision? An environmental choice may reduce pollution yet increase material use or costs for people. Open Full Article...

The Ozone Layer Case File: How the World Tackled a Global Environmental Threat

Why would a protective layer high above Earth suddenly become dangerously thin over the South Pole each spring? Open Full Article...

The Biggest Sustainability Myth: Why Recycling Alone Will Not Save the Planet

Maya is a fictional person who buys large numbers of disposable products but feels fully sustainable because every package goes into the correct… Open Full Article...

How Engineers Decide Which Energy Sources to Use

How could a fictional town keep its lights, hospitals and trains running every hour of the year? Open Full Article...