The world makes 2.3 billion tonnes of waste a year

What we extract eventually becomes waste. The world now generates about 2.3 billion tonnes of municipal solid waste each year, and on current trends that is projected to reach 3.8 billion tonnes by 2050 as populations and consumption grow.

The plastics problem

Plastic production exceeds 400 million tonnes a year, and a similar mass of plastic waste is generated annually. Only a small fraction is recycled; most is landfilled, incinerated or leaks into the environment, where it fragments into microplastics now found from deep-ocean trenches to human blood.

Uneven management

The environmental damage comes less from waste itself than from how it is handled. Billions of people still lack access to controlled waste management, and open dumping and burning cause local pollution and greenhouse-gas emissions. Better collection, recycling and organic-waste treatment can cut both.

Why waste is an indicator of the system

Waste is the visible end of the material footprint: the more we extract and the more linear the economy, the more we throw away. A circular economy — designing products to be reused, repaired and recycled — would shrink this indicator and ease pressure on climate, land and oceans at the same time. A global treaty to curb plastic pollution has been under negotiation.