4 Apocalyptic Crises (Basically Nobody Realizes Are Coming)

Some insects, having long gone understudied (only an estimated 10 percent of insect species have even been named, and not in the "I'm going to call this ant Greg" sense), are seeing their numbers drop in ways we've so far only measured with a vague notion of "Hey, our windshields don't get as splattered as they used to when we drive." That's not a joke. Cleaner windshields were a major factor prompting investigation into this matter, because it takes weird developments like that for us to notice changes in the insect world. Bugs still seem endless, so why would we need to count the apparent infinite? But the millions of species of bugs that we never understood are now going away.

This means that bird and fish populations are dropping because their source of food is disappearing. We don't know how far the problem will keep spiraling out, because we've never had the data. Maybe species will go extinct, or maybe they'll suffer the less glamorous but equally serious problem of diminishing, or functional extinction. That's where a species stubbornly clings to life, but at a population too small to be more than a blip on the environment. They become a curiosity, not an active factor.

Functional extinction is a sneaky problem, because it's hard to recognize until we see its cascading effects. We worry about certain species of bears being endangered, but we should really worry about the insects that pollinate the plants that feed the prey that those endangered bears eat. Insects, trillions and trillions of them, quietly make the environment thrive below a level that we normally consider. If they go away, the changes will be subtle but disturbing, a possible slow-motion catastrophe.

The good news is that bugs are resilient, capable of repopulating in swarms if given the opportunity. And growing efforts, like strict pesticide regulations and urban design that integrates insect habitats, are trying to provide those opportunities. Whether it will be enough, no one can say yet. And until we find out, maybe watch where you step on the sidewalk.

While this is a good excuse to glare at that guy at the gym who goes through three bottles of water with every workout, the vast majority of the world's fresh water goes to irrigating crops, raising livestock, and farming fish. Thanks to more efficient technology and farming methods, we're slowing the rate at which we withdraw water from the ground, lakes, the tear ducts of whiny nerds, etc. But the current rate still outpaces population growth. And, ironically, one of the most important methods for fighting climate change -- renewable energy, like biofuels -- will require more water than if we just continued to belch coal into the atmosphere until the planet shrivels up and dies.

This could mean difficult resource allocation decisions, like forcing a population to choose between electricity or a fish supply. It could also, in a worse scenario, mean water shortages. Remember when Cape Town's 4 million people had to ration water in 2018, and still almost ran out of it? It reached the point where people were dredging up an old mad science scheme to haul Antarctic icebergs to the city, and that could be Los Angeles in 2040. Skyrocketing urban growth could create an insatiable demand for water that will make Cape Town's crisis look quaint. And water scarcity, as many a Mad Max movie have taught us, leads to civil unrest, migration, and general dystopian conflict.

World Resources InstituteOh, and the common tactic of assuming U.S. citizenship will get you out of any global crisis might not work so well this time.

But don't panic and start hoarding water -- this isn't set in stone. Better land management, changes in agricultural practices, soil reclamation, and other sustainability projects could all help reverse this trend. A change in attitude will be important too. People need to be taught the value of water, whether that's having YouTube stars lecture the masses or increasing water bills for the upper and middle classes until they get the message that they don't need to keep the tap running for five minutes while they brush their teeth.

And general efforts to battle climate change, like the Paris Agreement, will also help significantly. So now we simply have to convince everyone that climate change is a serious problem that requires immediate action and a tough examination of our modern lifestyle. That shouldn't be too hard, right? Maybe we can start with the fact that if we fuck this up, there will be beer shortages.

Since the turn of the millennium, the amount of irrigated land in the world has doubled, and agricultural output has tripled, but that output has come at the loss of productivity of about 20 percent of the world's cropland. We are, in essence, working the Earth too hard. And like many of the worst problems in life, it all feeds back into itself. Soil stores carbon and water, and as we lose good soil, the world gets hotter and drier, and thus we lose even more soil. For context, a mere 1 percent of the carbon stored in the United Kingdom's soil is roughly equal to the UK's annual fossil fuel carbon output. But hey, at least now you have a good excuse for when your latest half-assed attempt at a herb garden fails.

Poor soil quality, like poor water access, can lead to mass unrest. Restoration work can be done -- Ethiopia has reclaimed 17 million acres of barren soil, and created good jobs doing so. Technological improvements in farming methods should also help. But the political will needs to be there, and unless we reexamine some of our eating habits, we'll be caught in a cycle of perpetual destruction and frantic reclamation.

As with so many other environmental issues, one of the chief problems is communicating the urgency of the matter. How do you explain to an American who's used to enjoying their constitutional right to eat four hamburgers a week that if they don't change their consumption habits, life will start sucking for a bunch of foreigners in countries they'll never step foot in, and then maybe it will start sucking on a personal level by around 2030? Even the word "soil" is boring. But international targets for soil reclamation are generally not being met, despite the United Nations considering it to be one of the most important problems facing the planet today. Maybe we simply need to rebrand the issue as the War on Dirt.

Mark is on Twitter and wrote a book.

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