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Global warming and climate change are often used interchangably, but there is a difference. Climate change has always occurred - naturally and over long periods of time. Global warming on the other hand is the human-created relatively rapid increase in temperature caused by greenhouse gases. Despite some debate over the past few decades, it is now recognised as the greatest threat facing our planet.
When we burn fossil fuels (like coal & oil) to produce energy or drive our cars we release massive amounts of greenhouse gases like CO2 into the atmosphere. There are others gases too like methane and nitrous oxide which are actually more powerful, but they are released in smaller amounts.
Humans are the main cause of greenhouse gas production and we are the cause of the climate change that results from this. Fortunately, just as we have caused it we can also provide the solutions and sort out the mess we have made.
The Greenhouse Effect
Our atmosphere traps some of the heat from the sun allowing the earth to maintain a temperature suited to life - it works like a greenhouse
Human activities (like burning coal and oil) are adding huge amounts of greenhouse pollution to the atmosphere. The pollution stays in the atmosphere for many decades.
Greenhouse pollution is making Earth’s ‘blanket’ unnaturally thick, and this is heating up the planet. This is commonly called global warming. The heat trap is also causing many unusual and dangerous changes to our climate and weather systems, best described as climate change.
How do we solve the “climate crisis”?
We can stop climate change, but only by making major reductions in the amount of greenhouse pollution we create. To cut pollution, we need to drastically change the way we use and produce energy.
Individuals, businesses and governments need to become much more energy efficient and stop wasting energy. And we need to move to clean, renewable sources of energy - like wind and solar.