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Energy

Algae Power: Energy from the Scum of the Earth

One of the simplest plants on Earth could help us out of a few complex problems. Algae may not only help us mitigate climate change, they could also become one of the few truly sustainable biofuels.

Saving Energy: The Smart Spark

There has been much talk about renewable energy production and reduced consumption. Now, engineers are looking at the link between the two: Could smart grids and power meters start an energy revolution?

Concentrating Solar Power: Oasis or Mirage?

Covered by concentrating solar power plants, less than one percent of the world’s deserts could produce all of our electricity by 2050. So what is stopping us from doing it?

Renewable Energy
Wind Energy Profile: The Big Promise

Wind Energy Profile: The Big Promise

Theoretically, wind could produce enough energy to meet global demand. In 2006, however, less than one percent of global electricity consumption came from wind. Why such an imbalance?

 

Fossil Fuels
Coal Energy Profile: Dirty Power

Coal Energy Profile: Dirty Power

Coal is the world’s number one source of electricity. Unfortunately, it is also the number one energy source of carbon dioxide emissions.

 


Energy Security
Energy Security: Power to the People

Energy Security: Power to the People

Modern societies need energy to function. When supply is disrupted, life can come to a grinding halt. What are the threats and how are countries responding?

 

Transportation
Transport and Climate: On the Road to Nowhere?

Transport and Climate: On the Road to Nowhere?

Transportation is the fastest-growing source of greenhouse gases. See how different modes of transportation are affecting the climate, and how they could become more sustainable.

 


Energy Efficiency
Saving Energy: The Super-Smart Grid

Saving Energy: The Super-Smart Grid

There has been much talk about renewable energy production and reduced consumption. Now, engineers are looking at the link between the two: Could smart grids and power meters start an energy revolution?

 

Emissions Trading
Pay as You Go: The Pros and Cons of Carbon Offsets

Pay as You Go: The Pros and Cons of Carbon Offsets

Carbon offset companies are in the business of “neutralizing” the carbon footprints of consumers, companies, and even rock bands. Requiring only a credit card and a few mouse clicks, clearing your climate conscience has gotten easy. Too easy?

 

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Basic Facts

  • Emissions from aviation have nearly twice the warming effect than carbon dioxide emissions on the ground.
  • Rail travel is on average 3-10 times less CO2 intensive compared to road or air transport.

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