Plastic is one of the most useful materials ever invented. It is cheap, light and strong, and we use it for everything from bottles and bags to phones and cars. However, the very thing that makes plastic so useful – the fact that it lasts a very long time – has also created a serious environmental problem.

Every year, humans produce over 350 million tonnes of plastic. A large amount of this is “single-use” plastic, which means it is thrown away after being used only once. Much of this waste ends up in rivers and oceans, where it harms fish, birds and other wildlife. Scientists have found tiny pieces of plastic, called microplastics, in the deepest parts of the sea and even in the food we eat.

The good news is that people are starting to take action. Many countries have banned plastic bags, and companies are designing new products that can be reused or recycled. Individuals can help too, by carrying their own bags, avoiding single-use bottles and recycling carefully. Solving the plastic problem will not be easy, and it will take the effort of governments, businesses and ordinary people working together. But if we act now, we can protect our planet for future generations.