today during geog he gave a description of one of my dream jobs... to be able to work across political boundaries, for humankind, beside greats like jeffrey sachs, would be a dream come true...

The person or team who/which can come up with solutions to combat extreme population growth, develop viable alternative energies, mitigate/predict natural hazards, eradicate extreme poverty, and prevent epidemics/pandemics, will be the ones who change the world.