Google set to go 100 percent renewable
By 2017, Google expects to power its massive data centers and offices with 100 percent renewable energy, everywhere in the world.
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.
U.S. island in South Pacific goes solar
Remote Ta'ū Island in American Samoa switched from burning 300 gallons of diesel fuel a day to nearly 100 percent solar power. How did they do it?
The adventures of ‘Energy Cat’ [video]
The cat is out of the bag: Renewable energy is the future. Thomas, the Energy Cat, tells us how all the sun and wind around us can power the planet.
Kerry: World should keep moving forward on climate change [video]
It's been a historic year in the fight against climate change, but we can't stop now, John Kerry said at the U.N. climate conference in Morocco.
No plan for climate change? Risky investment, agencies say.
Even before nearly 200 countries reached the historic Paris climate agreement in 2015, credit rating agencies had been evaluating companies' climate risk.
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?
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.
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.