What are carbon emissions?
Carbon dioxide (CO2) is a greenhouse gas that occurs naturally from things like volcanoes, certain rocks, rivers lakes and even the sea. It is also produced by decaying organic materials. It helps prevent heat from escaping our atmosphere.
Our use of fossil fuels, industrial-scale deforestation and many other forms of human activity are rapidly increasing the amount of CO2 produced.
Having an excess of CO2 disrupts weather patterns leading to higher global temperatures (global warming), which in turn leads to rising sea levels, drought, floods and all sorts of other problems.
With the odd notable exception, there is now a global consensus that we need to reduce harmful levels of CO2 – and that we must do so quickly.