solar power
In a country where three-quarters of the population lives off the grid, solar power is a savior.
Aspen, Colorado joins the clean energy ranks of Greensburg, Kansas and Burlington, Vermont.
The challenges are many, but the argument that we're on the verge of a renewable revolution is strong.
The solar farm is expected to be the largest in the world.
WHAT'S HAPPENING
The government is urging other airports to copy Cochin International Airport's power system.
OK, Google: How much will I save with this solar panel?
