Final Thoughts

In pursuing the above scientific questions or the many others we have undoubtedly ignored, and in presenting and communicating the results, we should never lose sight of how difficult it is to predict the future. Models will always be simplifications of reality, and predictions should always be treated with humility and caution. But as discussed in Chapter 1, models provide valuable insight by synthesizing our knowledge of the world and translating it into probabilities of outcomes we care about, and thus help separate the very plausible from the very unlikely. Even if humans tend to err on the side of arrogance more than humility, the danger of understating things we know well is no less than that of overstating those we don't.

In this vein, one thing appears almost certainly true in the twenty-first century: if agriculture and food security are to thrive, they will have to do so in a constantly warming world. The level of climate stability that has been experienced since the dawn of agriculture is a thing of the past; the future will be one of constant change. This need not spell disaster for food security, but we would be wise not to underestimate the enormity of the challenge at hand.


Renewable Energy 101

Renewable Energy 101

Renewable energy is energy that is generated from sunlight, rain, tides, geothermal heat and wind. These sources are naturally and constantly replenished, which is why they are deemed as renewable. The usage of renewable energy sources is very important when considering the sustainability of the existing energy usage of the world. While there is currently an abundance of non-renewable energy sources, such as nuclear fuels, these energy sources are depleting. In addition to being a non-renewable supply, the non-renewable energy sources release emissions into the air, which has an adverse effect on the environment.

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