High oil prices might help drive the search for alternative energy sources, says WWF Climate Change Program Director Hans Verolme.
The renewable energy business is booming. Here is a survey of the leading renewable technologies of today and tomorrow -- wind, solar, biomass and hydrogen.
Enthusiastically, politics and business embraced so–called biofuels promising energy independence and carbon neutrality. But while fuel is getting green, land for food is getting scarce.
Biofuels can be produced from a number of crops and plants. Corn, rapeseed, palm oil, sugar cane, and jatropha are among the top five. But how efficient and sustainable are they?
