Destruction of the habitat of the orangutan

Amount of energy we consume, vs. the amount of energy captured by plants in the U.S.

Someone's not done the math.

Erosion has been severe.

Laboratory controlled test plots of switch grass vs. real world situations.

Biofuels' contribution to energy profit we rely upon.

How much energy do you have left over after producing energy?

How to realize the promise of any alternative energy.

The truth about the scale of biofuel production predictions.

Biofuels creates a mechanism that links the price of oil to the price of food.

Is there something better we could be doing with the money used to subsidize biofuels?

If it is so profitable, why are biofuels subsidized so heavily?