I'm not sure over population is the issue. I think it is education and energy and health. And of course deception and dishonesty... and potential earth changes if these happen...
Knowing about free energy devices being developed globally… this one a 5kW WANG generator in China is one getting close to implementation ready
http://www.free-energy.110mb.com/Magnetic_Motor.pdf more at the link I posted in free enegy section...
If there was free energy, then there would be free clean water (from the sea) and therefore the food issue would be sorted due to desserts and clean water.
All the oil pipelines in the world could be used to pump water and pretty soon the issues would dissolve…
An Electric car with a large WANG generator in it and a flywheel hybrid system like the flybrid sytem would soon resolve the car issue or a car running on water such as Stan Meyers system.