The Green Paradox
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The Green Paradox
Why the Earth Gets Warmer
Carbon dioxide is a nontoxic gas. It is formed in our bodies and in nature in the combustion of carbons. These are contained in all organic materials. Carbon dioxide - or simply CO2 - is a so-called greenhouse gas. It causes the greenhouse effect thus determining the climate on our earth. This is what enables life on earth as we know it. But when the greenhouse gases are increased by man, the blessing may soon turn into a curse. This intensifies the greenhouse effect and heats the earth up. The resulting climatic change is the big problem of our century.
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Blogging
The weblog or blog, for short, as a medium is not much older than this century. Blogs came into being in the World Wide Web as ’messages from below’, as web pages from web creators who wanted to share their view of the world with the world. They are short notes, long texts, pictures, videos, which are posted loosely and at random intervals to the world for an undefined public.
Air Traffic
Being able to fly has been a dream of humanity from time immemorial. But it does not even date back a century that people actually started being able to travel through the air. Since the 1960s, the number of flight passengers has been constantly increasing. Thus, the airspace is no longer dominated by birds but by man-made flying objects.
Rights and Obligations
Three girls of different ages: Anna is 17, Paula 15 and Lena 13. Before the law, their respective ages have consequences – because children and adolescents have different rights and also obligations.