Lea Terhune

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Three men holding solar panel (© AP Images)

Solar energy comes in big and small packages

Different technologies capture the sun's light or heat to generate power. It may be done on a large or small scale.
A passenger jet with solar panels in foreground (Getty Images)

Airports look to the sun to save money

Airports around the world are looking sunward to power their facilities — and they find solar energy makes good business sense.
Man in black hat furtively touching silver metal briefcase (Shutterstock)

I paid a bribe and I’ll tell you about it online

Entrepreneurs and activists are using technology to fight corruption and graft, and the cultures that create it.
Illustration of figure plugging in to giant outlet (State Dept./Doug Thompson)

What is the power grid and how does it work?

Did you know you are looking at part of the power grid every time you see power transmission lines? How does renewable energy become part of the grid?
Power plant smokestacks emitting carbon dioxide and other greenhouse gases (Shutterstock)

Castles in the air? Carbon dioxide could produce building materials.

A new technique that takes CO2 emissions generated by factories and cars could create new material for buildings, aircraft and athletic equipment.
Solar panels in circle around tower in middle of plain (Courtesy of SolarReserve)

Salting away renewable energy for future use

Molten salt could be the key to unlocking a future full of renewable energy. During peak times the salt stores solar power that can be saved and used later.
Sun shining throught solar panels (Shutterstock)

‘Grid parity’ is key to stopping climate change. Here’s why.

What does grid parity have to do with climate change? Everything. As the cost of renewable energy drops, so does the dependence on traditional energy.
Rooftop solar panels with skyscrapers in the distance (© AP Images)

Your home + solar panels = distributed generation

Renewable energy resources such as solar and wind have opened up new possibilities for distributed power generation and transmission.
Lava flowing from volcano (© AP Images)

From lava to solar: These renewables are so hot right now

What type of energy do you use? The five dominant sources of renewable energy range from solar and wind to lava and biomass.