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421.

Sacramento Hospital Goes 50% Solar with 736-Kilowatt Array

18 years ago

2 points

422.

Earth From Above: Amazing Photos by Yann Arthus-Bertrand

18 years ago

2 points

423.

Demographics Loom Large in State Failure

15 years ago

2 points

424.

Cellphone GPS-based Personal Environmental Impact Report by UCLA's CENS lab

18 years ago

2 points

425.

PARC invents a High-Volume, Small-Footprint, Low-Cost Water Purification System

18 years ago

2 points

426.

New High-Tech "Planilum" lights last 20 years (500,000 hours)

18 years ago

2 points

427.

Chrysler Unveils 3 Electric Car Prototypes: sports car like Tesla, Jeep and Minivan

18 years ago

2 points

428.

BlackBerry Outage Made Roads Safer

15 years ago

2 points

429.

Jay Leno Talks with Zero X Electric Motorcycle Inventor (vid)

18 years ago

2 points

430.

How to Make Inexpensive DIY Home-Built Solar Panels with Damaged Solar Cells from Ebay

18 years ago

2 points

431.

Bill Gates Invests in Algae-Based Biofuels

18 years ago

2 points

432.

What comes after the Chevy Volt? What other models will use electric drivetrain?

18 years ago

2 points

433.

Real-World Anecdote: How You Drive is Very Important for Fuel Economy

18 years ago

2 points

434.

Romantic & Green: Illinois Couple Buys Solar Power System Using Wedding Registry

18 years ago

2 points

435.

Steve Jobs: New Apple Nano iPods to be Greener

18 years ago

2 points

436.

Haitz's Law: Moore's Law for LEDs

15 years ago

2 points

437.

Rumor: Mazda Preparing Volt Rival Using Rotary Engine

18 years ago

2 points

438.

Ford Spends $75 Million to Retool Michigan Truck Plant for Small Car Production

18 years ago

2 points

439.

Special peek inside Nissan's R&D Battery lab

18 years ago

2 points

440.

Solazyme: Millions of Gallons of Algae Biodiesel Within 3 Years

18 years ago

2 points

441.

Honda Fit hybrid coming in 2010, under 20k

18 years ago

2 points

442.

Arizona Solar Tower 2X Taller Than the Empire State Building (200 MW)

15 years ago

2 points

443.

Japan Needs to Completely Phase Out Nuclear Power, Says Prime Minister

15 years ago

2 points

444.

Solar power breakthrough: 20% cheaper, on sale within 18 months

18 years ago

2 points

445.

Is any tech more overdue than solar-powered air conditioning?

18 years ago

2 points

446.

1/3 of local media revenue comes from car ads

18 years ago

2 points

447.

Acoustics Experts are Working on Making Wind Turbines Quieter

15 years ago

2 points

448.

Lithium Iron Phosphate Breakthrough = Better Batteries

18 years ago

2 points

449.

Patagonia Now Sells Used Clothing Alongside New

6 years ago

2 points

450.

Urban Noise Increases Risk of Alzheimers

6 years ago

2 points