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Articles on Renewable energy

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This direct air capture plant in Iceland was designed to capture 4,000 metric tons of carbon dioxide per year. Climeworks 2021 via AP Photos

How not to solve the climate change problem

A climate scientist looks at what works and some popular ideas that aren’t as cheap or effective as people hope.
Making sense of what’s tripping the switch on South Africa’s electricity supply. AJ Paulsen via GettyImages

South Africa’s power crisis: five essential reads

Five essential reads on why South Africa is failing to keep the lights on.
Shutterstock

The clean energy revolution isn’t just a techno-fix – it’s about capturing hearts and minds

The climate crisis demands innovations in our everyday infrastructures. If these changes are to be adopted en masse, finding the right fit between communities and infrastructures is vital.
The control room of the California Independent System Operator, which manages the flow of electricity on the state’s power grid. Rolf Schulten/ullstein bild via Getty Images

What is curtailment? An electricity market expert explains why states sometimes have too much wind or solar power

Sometimes wind and solar power produce more electricity than the local grid can handle. Better energy storage and transmission could move extra energy to where it’s needed instead of shutting it off.
A new study finds that companies’ emissions reductions may not be what they seem. (Shutterstock)

Most companies buying renewable energy certificates aren’t actually reducing emissions

Companies are buying renewable energy certificates to meet their emissions targets, but new research suggests that the bulk of these purchases do not lead to actual emission reductions.

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