Most of the people know what climate change is. They know that glaciers are melting in our country and that it will be a problem for tourism because there won't be enough snow in the future - and that's why people come to Switzerland, because of the snow.... Some ask us "what if we are wrong about climate change? Maybe it is no problem at all." We answer: " It is good that we invent now fuel-efficient cars and use renewable energy whether there is a climate change or not-