In addition to trying to get out of the recession - our first priority - many of us will be making do with less and relying more on ourselves and our families.
Changing weather patterns may also put densely populated areas at risk of deadly flooding, along with the resulting contamination of food and water supplies.
Kohler argues that pinon was disappearing from the locale of settlements and that this put an additional nutritional strain on the population, which used nuts from the tree as well as its wood.
Most of all, though, I wish a tenth of the energy that's spent endlessly debating GM crops was focused on those more pressing challenges for global agriculture.