2. What is global warming? Global warming is the term used to describe a gradual increase in the average temperature of the Earth's atmosphere and its oceans, a change that is believed to be permanently changing the Earth’s climate.

3. What is the cause of it?.. We,we human beings are the cause of it and also the increased volumes of carbon dioxide and other greenhouse gases released by the burning of fossil fuels, land clearing, agriculture, and other human activities, are believed to be the primary sources of the global warming that has occurred over the past 50 years…. Occure: verificarsi Greenhouse gasses: gas serra

4. Which are its effects? The main effect of the global warming is the increase of the temperature that causes many other problems such as: stronger storms,rising sea level,less snow and ice, etc...

5. It’s effects on Wildlife Global warming doesn’t dammage humans only, but since it dammages the environment,it also effects wildlife and habitat,causing many animals to get extinct. One of the animals that is getting extinct is the polar bear which habitat is the sea ice,that are getting melt due to the global warming. This is what happens to polar bears because of the distruction of their habitat: Population sizes decreasing Sea ice platforms moving farther apart and swimming conditions more dangerous Fewer hunting opportunities and increased scarcity of food

6. Some tips to save our planet In our little,we can do somethings to solve or at least reduce this big problem. Here are some tips to reduce the quantity of carbon dioxide: Use less electricity:always switch off lights,don’t leave the tv on when you are not watching it save oil:walk or cycle to school,or use public transport Recycle:when you recycle things(such as,paper and cans),the material is used again,and this saves energy