energy

How do wind turbines work?

Why good ideas get trapped in the valley of death -- and how to rescue them

What's the best fuel for your car?

The innovations we need to avoid a climate disaster

How much land does it take to power the world?

How much electricity does it take to power the world?

The material that could change the world ... for a third time

The world's biggest battery looks nothing like a battery

The US is back in the Paris Agreement. What's next?

Building the world's largest (and most controversial) power plant

How carbon capture networks could help curb climate change

Could we harness the power of a black hole?

The state of the climate crisis

How cities are detoxing transportation

How to decarbonize the grid and electrify everything

How India could pull off the world's most ambitious energy transition

The energy Africa needs to develop -- and fight climate change

Fossil fuel companies know how to stop global warming. Why don't they?

The new urgency of climate change

We need to green the economy while restarting it

3 ways to resolve a conflict

The search for dark matter -- and what we've found so far

The science of friction -- and its surprising impact on our lives

How to bring affordable, sustainable electricity to Africa

A new way to "grow" islands and coastlines

The beautiful future of solar power

How I'm making bricks out of ashes and rubble in Gaza

100 solutions to reverse global warming

5 transformational policies for a prosperous and sustainable world

How we can turn the cold of outer space into a renewable resource

How we can make energy more affordable for low-income families

A printable, flexible, organic solar cell

The shocking danger of mountaintop removal -- and why it must end

How to transform apocalypse fatigue into action on global warming

The thrilling potential for off-grid solar energy

Why don't perpetual motion machines ever work?