Introduction
Now or Never
by Jesse Emspak

Section 1: Sustaining the Earth, Sustaining Ourselves

1.1   A Path to Sustainable Energy by 2030
        by Mark Z. Jacobson and Mark A. Delucci

1.2   7 Radical Energy Solutions
        by the Editors

1.3   Catch-22: Water vs. Energy
        by Michael E. Webber

1.4   China’s Energy Paradox
        by David Biello

Section 2: Here Comes the Sun

2.1   A Solar Grand Plan
        by Ken Zweibel, James Mason, and Vasilis Fthenakis

2.2   Photovoltaics’ Bright Future
        by George Musser

2.3   Reinventing the Leaf
        by Antonio Regalado

Section 3: Riding the Wind

3.1   The Sky Is the Limit
        by David Biello

3.2   Tales from a Small Island
        by David Biello

3.3   China Turns into the Wind
        by Sarah Wang

Section 4: Nuclear Rebirth

4.1   Planning for the Black Swan
        by Adam Piore

4.2   Can Nuclear Power Compete?
        by Matthew Wald

4.3   Fusion’s Missing Pieces
        by Joseph F. Geoff Brumfiel  

Section 5: Water, Water Everywhere

5.1   Time to Think Hydro            
        by Linda Church Ciocci

5.2   Turning the Tide            
        by Larry Greenemeier

5.3   Moving Parts            
        by Larry Greenemeier

5.4   Where the Rivers Meet the Sea            
        by Adam Hadhazy

Section 6: Geothermal Fire from Below

6.1   Clean Energy from Filthy Water            
        by Jane Braxton

6.2   Heating up            
        by Mark Fischetti

Section 7: The Power to Move

7.1   The Next Generation of Biofuels
        by Melinda Wenner

7.2   Fueling our Transportation Future
        by John B. Reynolds

Section 8: Energy on Demand

8.1   Giving the Grid some Backbone            
        by Matthew Wald

8.2   When the Sun Don’t Shine: Storing Power
        by Davide Castelvecchi