Long, long time ago the world was a different place. The world map was very different from today. People were thinking about another thing than today. They lived another kind of life. They had another needs than we today. Scientists now say we are in a new stage of the Earth’s history, when we ourselves have become the globe’s principal force. Some scientists think that we have become too successful – that the human pressure on the Earth’s ecosystems threatens our future as a species. Our planet areas of crisis:
Food – 1 in 6 people suffer from hunger
Water – for the years people will live in areas with not enough water
Pollution – air pollution is a serious problem in the world’s biggest cities…
