Garth questions how bit a concern invasive species actually are and tries to frame them in a larger context.

Time passes inexorably, so joy - and perhaps meaning - will always be transient.

High rainfall environments (like NY State) lose minerals to leaching from rain over many years. Healthier crops and healthier animals can be raised by selectively reintroducing the deficient minerals.

It's easy to focus on the role technology has played in creating all the problems with the current agricultural system. But advances in fencing systems are a good example of the way improvements can lead to better farming.