Author: user user

Most of us have a drawer tucked behind the takeaway menus and spare keys with a tangle of dead chargers, a cracked phone from three upgrades ago, maybe a laptop that got slow and was replaced months back. We tell ourselves we will deal with it someday. Multiply that drawer by billions of households, and you begin to see one of the fastest-growing waste problems on the planet.

A mountain that keeps growing

The United Nations’ Global E-waste Monitor reported that people generated around 62 million tonnes of electronic waste in 2022, and the figure has been rising steadily. Only about one fifth of it was formally collected and recycled. The rest was stored away, thrown in general rubbish, or handled through informal channels that nobody tracks.

Part of the reason is how quickly our devices come and go. Phones are marketed as annual upgrades. Batteries are sealed inside bodies that cannot be opened. A screen cracks or a battery fades, and replacing the whole device can seem easier, and sometimes cheaper, than fixing it. Add the explosion of small gadgets such as earbuds, smartwatches, vapes with built-in batteries and cheap electric toys, and the pile grows even faster.

Where old devices actually go

When a phone leaves your hands, its journey depends on where you live and who collects it. Some devices reach authorised recyclers, who dismantle them, separate the materials and send them on for processing. Others are shipped abroad as ‘used goods,’ a label that sometimes hides the fact that much of the cargo no longer works. Large volumes of discarded electronics end up in parts of West Africa and South and Southeast Asia, where informal workers often take them apart by hand.

That is where the human cost appears. To reach the copper inside cables, workers may burn insulation in open fires. To get at gold, some use acids without protective gear. These methods release toxic smoke and contaminate soil and water, and children are frequently among those exposed. The underlying cause is simple. There is money in the metal, and little support for doing the job safely.

What is inside, and why it matters

An old phone is a small package of both treasure and trouble. On the valuable side, it contains gold, silver, copper, palladium and cobalt, along with rare earth elements used in magnets and screens. Mining these materials from the ground is not simple and often damaging to land and communities. Recovering them from old devices uses far less energy, and some experts describe e-waste as an urban mine because the concentration of metals can be higher than in natural ore.

On the other hand, electronics can contain lead, mercury, cadmium, brominated flame retardants and other substances that are harmful if they leak into the environment. Lithium batteries add another risk. When crushed or punctured in a rubbish truck or at a landfill, they can overheat and start fires, which waste handlers report with growing alarm. Throwing an old phone in the bin is not a harmless act.

Repair and reuse come first

The most sustainable device is the one that is never replaced. Repairing a phone, swapping a battery or upgrading a laptop’s memory can directly impact manufacturing. Most of a device’s environmental footprint comes from making it, not from running it, so stretching its life matters more than recycling it afterwards.

Some argue that manufacturers should supply spare parts, tools and manuals, and avoid designs that make repair deliberately difficult. Certain regions have begun introducing rules along these lines, and some brands now offer repair programmes of their own. Local repair shops, long a feature of busy town centres, are doing a great deal of environmental work. Their value is easy to overlook until you need a cracked screen replaced for a fraction of the cost of a new phone.

Reuse is the next step. A phone that no longer suits one person can serve another, whether through resale, donation, or trade-in schemes. Refurbished devices are growing in popularity because they deliver decent performance at lower prices.

Recycling done properly

When a device is broken, responsible recycling is the answer. That means using certified facilities that remove hazardous materials safely, recover metals efficiently, and keep records of where everything goes. Consumers can help by looking for official collection points, retailer take-back schemes, and community drives rather than handing electronics to anyone who offers cash at the gate.

A business opportunity hiding in plain sight

For companies, the numbers are encouraging. The value of the raw materials contained in discarded electronics runs into tens of billions of dollars each year, most of it currently lost. That has created room for refurbishers, repair networks, parts harvesters, battery recovery specialists and recyclers using advanced separation technology. Manufacturers are also exploring take-back programmes that recover materials to feed straight back into new products.

Governments can help with clear regulations, producer responsibility rules that make makers help fund collection, and support for formal recycling industries that offer fair jobs.

The drawer in your home is a small version of a global challenge. Emptying it responsibly and thinking twice before the next upgrade is a practical place to start.

When a cyclone approaches a coastline, most people think about concrete: sea walls, drainage canals, reinforced roofs. Fewer think about the belt of mangroves standing quietly at the water’s edge, or the marsh behind the town that soaks up rain before it reaches anyone’s doorstep. Yet these living systems do some of the most valuable work in the economy, and yes, they do it all free of charge.

Protection that grows on its own

Insurance is something we pay for in the hope we never need it. Healthy ecosystems work like a policy that renews itself. Mangrove forests slow incoming waves with their dense tangle of roots and trunks. Studies have found that a wide, healthy mangrove belt can cut wave height dramatically, which means less erosion and less damage to homes, roads, and farmland behind it. Mangroves protect millions of people from flooding each year and prevent tens of billions of dollars in property damage worldwide.

Compare that with the alternative. Building and maintaining a hard sea wall is expensive, and the cost climbs every time the sea level rises or a storm damages a section. A wall also does nothing for fish or birds, and it does not grow stronger with age. A mangrove forest, once established, repairs itself, traps sediment and can even build land upward as the water rises.

Sponges, filters and shock absorbers

Wetlands do something equally useful inland. Marshes, floodplains and paddy lands behave like enormous sponges. During heavy rain, they hold water and release it slowly, which softens flood peaks downstream. When towns fill in wetlands for housing or industry, the water has nowhere to go, and it ends up in streets and living rooms instead. Many cities have learned this the hard way. Colombo’s low-lying marshes, for example, have long served as a buffer for the capital, and the flooding that follows when such areas are built over shows what that buffer was worth.

Wetlands also filter pollutants and improve water quality, which lowers the cost of treating drinking water. A town that protects the forest and wetland above its reservoir often spends far less on treatment than one that lets the catchment decay.

Forests add their own layer. Tree roots hold soil on slopes, reducing landslides and keeping silt out of rivers and tanks. Canopies slow rainfall and let it soak into the ground. Hill country communities in Sri Lanka know the cost of bare slopes all too well, because every monsoon brings reminders of what happens when vegetation is stripped away.

Carbon in the bank

There is also the climate argument. Forests, peatlands and mangroves store huge amounts of carbon in their trees and soils. Coastal ecosystems are especially interesting, because the waterlogged mud beneath mangroves and seagrass can lock carbon away for centuries. When these places are cleared or drained, that carbon is released back into the atmosphere. Protecting them is one of the cheapest ways to keep emissions out of the air, and in some countries it can even generate income through carbon markets, as long as the projects are honest and well monitored.

Fish, tourism and daily livelihoods

Mangroves and seagrass beds act as nurseries for fish, prawns and crabs. Take away the nursery and the catch offshore declines a few seasons later.

Tourism tells a similar story. Visitors travel to see coral reefs, rainforests, lagoons and wildlife. A clean beach backed by green vegetation is worth far more to a hotel than one eroded and littered with debris. Boat safaris through mangrove channels, birdwatching in wetlands and hiking in cloud forests all depend on the health of the places being sold. Damage the scenery, and you slowly damage the business.

The cost of losing it

The world has been losing these natural assets for decades. Roughly a third of the world’s mangroves have disappeared over the past half century, cleared for shrimp farms, ports, resorts and firewood. Wetlands have declined even faster in many regions. The losses rarely appear in national accounts. A cleared mangrove is counted as a gain for the shrimp farm, while the lost flood protection, lost fisheries and lost carbon storage show up later, spread across other people, often poorer ones.

That accounting gap explains why short-term profits keep beating long-term value. The person who clears the forest earns the money. The community downstream pays for the floods. Without a way to make that cost visible, the damage looks cheap.

Restoration pays back

The encouraging part is that restoration works, and often at a good price. Replanting mangroves can cost far less than building engineered defences, and the benefits arrive in several forms at once: safer shorelines, better fish catches, new tourism opportunities and stored carbon. Projects that involve local people tend to last longest, because communities who earn from a healthy mangrove or wetland have good reasons to guard it. Success also depends on small details, such as choosing the right species and restoring natural water flow rather than just pushing seedlings into unsuitable mud.

Governments and businesses can help by counting nature in their budgets, protecting wetlands from reckless development, and rewarding landowners who keep ecosystems intact. Insurers and banks are beginning to ask whether a project damages the natural defences that lower its own risk.

Nature will not rescue us from every storm. But it is the cheapest, most flexible and most durable form of cover we have, and unlike most policies, it improves the longer we keep it.