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Across 1. when the temperature is going up and it is a danger for our climate 7. dangerous, poisonous for the environment 10. it is rising because of global warming ; you can read it on a thermometer 11. many catastrophes produced by extreme weather conditions 15. extreme weather condition causing strong wind and a lot of rain 16. to make something new from waste like plastic or paper or glass 18. a slogan used by environmentalists to protect the Earth 20. it is white or translucent ; it is cold ; it is melting in the Arctic region

Down 2. the cause of global warming ; it is produced by the presence of air pollution in the atmosphere 3. this animal (a mammal) eats grass and produces a greenhouse effect gas (methane) 4. when a forest is burning because it is very dry 5. grey or black gas produced by fires, by cars or by the industry 6. when trees are cut by men in forests 8. CO2 ; a gas that produces the greenhouse effect 9. the presence of plastic or smoke in the environment. It is dangerous and can kill animals 12. an industrial place can pollute the environment 13. when there is no water during a dry season 14. it is changing because of global warming ; it can be cold or warm or wet or dry 17. it is artificial ; it is used everyday to make products or containers ; it pollutes the oceans 19. the planet we live on ; it is blue