This fall, iPhone 8s and Xs are hitting shelves across North America, setting in motion that most time-honored of rituals — the smartphone funeral. Around 1.5 billion phones are sold a year, which means about as many get the heave-ho. With little ceremony, we shove them into drawers or pack them away into boxes.

Occasionally, we might just throw them away. We feel sheepish about it, and for good reason: Once trashed, they end up in landfills, leaching toxic chemicals into the soil. In fact, electronics account for up to 70 percent of landfills’ toxic waste.

To avoid this guilt, we try to take our phones — not to mention all those broken printers, dead Fitbits and cracked iPads — to recycling centers. Driving away after such a drop-off feels good: We did the responsible, eco-friendly thing.

But what happens to these devices after we leave? The answer is complicated and, in most cases, far from eco-friendly. Welcome to the murky world of e-waste “recycling,” a.k.a. the sordid afterlife of your smartphone.

The myth of e-waste “recycling”
If the recycler is a reputable organization, it first checks to see whether your electronics can be refurbished and reused. If so, they’ll be scrubbed of data (hopefully) and either donated or resold on the secondary market. Devices that won’t sell in the U.S. are typically shipped to distributors in South America or Asia. (Remember the Motorola Razr? Long after its popularity faded, there was a booming market for it in Latin America.)

If the electronics are past the point of no return, they’re sent to recycling plants and put through powerful, all-purpose shredders. Metal components are then shipped to one of a handful of registered smelters, where they’re melted down. A few precious metals from the circuit boards, including gold and palladium, are recovered from the molten liquid, but the vast majority of materials are left to burn, releasing chloride, mercury and other vapors into the atmosphere.

But smelting is still a “good” option, if only because the alternatives are far worse. For nearly every above-board recycler, there’s a corresponding organization that makes money by collecting e-waste, packing it into shipping containers and selling it through a shadowy network of middlemen to scrapyards in countries such as China, India, Ghana and Pakistan.

The environmental cost of such a transaction is high — but the human cost is higher. Walk the streets of e-graveyards like Agbobloshie in West Africa or similar sites in Asia or another part of the developing world, and you’ll see hundreds, if not thousands, of microentrepreneurs, essentially cooking printed circuit boards to extract the metals within. From experience, I can say that the smell in the air is dizzying, and sticks in your nostrils and throat for days.

In the process, these workers are exposed to nickel, cadmium and mercury, among other toxic fumes, which leak into the surrounding air, ground and drinking water. This can lead to a wide variety of serious, sometimes life-threatening health problems, including cancers and birth defects.

Searching for a better afterlife for our smartphones
Environmental and human costs aside, there’s another glaring problem with how we currently treat end-of-life electronics. When we toss our gadgets in the trash, the gold in the circuit board goes with them. Though the amounts in any one phone are minute, the aggregate adds up: It’s estimated that the gold in the world’s e-waste equals as much as 11 percent of the total amount mined each year — literally millions of pounds of gold chucked in the garbage.

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