hydrogen's cars

The atmosphere's pollution is the biggest problem in the world, because if it continues, the temperature will increase even more. If we don't stop it, the poles will disappear and the sea level will be increased. Finally, many species of animals and plants will be extinct.

In our cities there are a lot of cars. To run a car, we need fossil fuels, but there is an alternative. We can use hydrogen's cars, because it is cheaper and eco-friendly because it is a renovable energy. The hydrogen will repair the atmosphere and the pollution and the golbal warming will disappear.

We can also use the electric cars, but to produce electricity we need power plants, and they are more expensive than the hydrogen. But if we use this energy, we won´t need fossil fuels and the pollution will be decreased.