Worth Watching FED UP — Documentary on GMO Food Production
The Green Revolution, which is really the introduction of chemical agriculture under forced circumstances, in India acted as an antidote to social change and reinforced the patterns of inequality. The smaller peasants lost their land because they couldn’t afford to keep up with the credit payments linked to the Green Revolution, the usage of water skyrocketed which left huge land regions basically desertified, the agricultural diversity has been wiped out, and yes the production of rice and wheat has increased but that was not an absolute increase in food.

Would it be possible to use the magnetics of the earth with modern mag-lev technology to create a fully functional magnetic hovercar?

A concept coming out of china seems to suggest it is possible. Take a look!