Philippines tap energy from Earth's core
The Philippines is the second largest producer of geothermal energy, but the country is looking to export its renewable energy program to other nations.
See All Brainstorm Green
How the electric car transformed racing
Michael Dell on the new (private) Dell
Why Toyota broke up with Tesla
Apple: 'We own our carbon footprint'
Former EPA chief: Keystone XL will be built
A Republican supports Obama's climate plan
See All CNNMoney Original Shows
The rise and fall of Angelo Mozilo and Countrywide
The story behind oil's plunge
Stephen Colbert: The Man vs. The Character
This oil CEO isn't afraid of falling prices
Canceled 'Interview' draws sharp criticism
'Freakonomics' Host: Thanks 'Serial!'