He cites China, where partly state-owned power firms are applying for credits for building gas-fired power plants instead of dirtier ones run on coal.

ECONOMIST: Climate change

Skyscrapers have been the symbol of economic power and wealth since the ceremonial ribbon was cut on the Empire State Building in May 1931.

FORBES: Still Building, China Readies World's Second Tallest Skyscraper

While Americans remain individualistic citizens of a nation-state at the height of its power, Europeans are absorbed in an unprecedented enterprise of union-building.

ECONOMIST: Europe and America

First Solar is building three solar power plants and working on permits for a fourth one in the state.

FORBES: Feds Ok Another Giant California Solar Farm

One reason the wind power sector has grown so rapidly in Texas is that the state's oil industry has decades of experience building big projects like wind farms.

FORBES: America's Hottest Green Job Markets