We have heard people talking about how the weather is very different today than it was ten years ago. You may have noticed changes in the weather every day. The earth's climate has changed many times over millions of years, sometimes slowly, sometimes very quickly. What makes climate change different today? Human activity - mainly greenhouse efect, gas emissions from the burning fossil fuels- is now causing the Earth's climate to change incredibly fast, taking us far outside natural ranges and towards 'tipping points' beyond which very large, the consequences may be irreversible. Because of the irresponsibility of the human being, things like:
- Sea level rise;
- Greenhouse effect;
- ozone layer destruction;
- Deplition of natural resources;
- Extinction
of species - Ice caps melting
- global warming;
- .....
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