WASTE LEVELS IN NUMBERS Every year humans make more than 1 billion tons of waste. The problem is getting worse as we throw more and more away. By 2100 we will throw away 4 billion tons per year. This waste is bad for the environment. This is because it does
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An introduction to air pollution
WHAT IS AIR POLLUTION? Air pollution is when the air becomes too dirty. This happens when gases and fumes that are harmful to humans get into the air. These can damage the natural cycles of the earth. The gases and particles that we add to the air can cause harm
Making businesses from waste
Waste is becoming a very big problem across the world. Africa makes 70 million tonnes of waste every year. By 2050 this will be more than 160 million tonnes a year. The average person in Africa makes half a kilogram of waste every day. This is increasing because there is
The benefits of composting
Compost is decayed material (fruit and vegetable waste) that is used as a fertiliser. When you put compost on plants it can feed the soil. It is a really good way to recycle kitchen and garden waste. It is really easy to build your own compost bin. HOW IT WORKS
Recycling tips – how to make yarn from plastic bags
HOW TO USE OLD PLASTIC BAGS Old plastic carrier bags can be used to make yarn. This yarn can then be used to knit with if you have no wool. All that you need is some old plastic bags and some knitting needles. Once you have made the yarn you
The consequences of hazardous waste and its treatment
LUCY CLAY WHAT IS HAZARDOUS WASTE? Hazardous wastes are poisonous forms of waste. They can be byproducts of manufacturing and farming. They can also come from the house. The waste can be liquid, solid or gaseous. It comes from old batteries, old paint or electrical goods. These have to be
Recycling and helping the world: how we can reuse old cans
LUCY CLAY HOW TO REUSE OLD CANS Old cans are really bad for the environment because they take over 500 years to break down. Humans throw away 200 billion cans every year! This is enough to reach to the moon and back 16 times a year. The number of cans
Waste in cities and what we can do to help
LUCY CLAY WASTE IN CITIES Waste in cities is becoming a big problem. Cities in Sub-Saharan Africa are growing very quickly. Between 2010 and 2035 the number of people in cities will more than double. By the middle of the century more than 1 billion people will live in urban
Climate change – what it is and how we can stop it
LUCY CLAY CLIMATE CHANGE – WHAT IT IS AND HOW WE CAN STOP IT Climate is the big picture of temperature and rainfall across a large area. The global climate is the average climate over the entire planet. This global climate is warming up quickly at the moment. This is