claim: Each year sees the disappearance of thousands of plant and animal species which we will never know, which our children will never see, because they have been lost for ever.
evidence: As of 2008, the price of grain has increased due to more farming used in biofuels, world oil prices at over $100 a barrel, global population growth, climate change, loss of agricultural land to residential and industrial development, and growing consumer demand in China and India Food riots have recently taken place in many countries across the world.