Our planet is in danger

Our planet is in danger.
Humans have been living on this planet for two million years and in the last two hundred years humans have made a mess of the planet: chopped trees, killed animals, polluted air, water and soil, etc. That is why now we have a lot of ecological problems like the greenhouse effect, extinct and endangered animals and plants, water, air and soil pollution, holes in the ozone layer, problems of burying different kinds of waste and garbage, acid rains and others.
The Earth has been getting hotter because people are producing too many greenhouse gases. A greenhouse is a building made of glass where you can grow plants that need a lot of warmth. The sun shines in through the glass and warms the greenhouse, and the roof and walls keep the heat from getting out. The Earth is surrounded by blanket of invisible gases that act just like a greenhouse. The sun shines and the blanket of gases traps the heat like a roof, keeping it close to the planet. Factories, electric pow...