Mixing ethanol with gas in a vehicle help to lower the need for traditional oil in the tank and produce effective combustion. Consequently, the increase demand for ethanol requires higher corn production. Therefore, farms have oriented their production towards corn, leaving other kinds of food aside. Foods in general became rarer and merchant have raised their prices, which creates presently an international crisis. Unfortunately, recent researches have shown that ethanol emit as much greenhouse gases then traditional oil.

A tree is often the symbol used to represent the environmental movement. In fact, we adopted the color green, the plant’s color, as the main adjective to define general environmentalism. Why is the forest such an important element for the environment? There are many reasons why we benefit from forests and there are obviously many consequences that stem from the loss of 13 million hectares of forest every year.

An ocean current is a continuous movement flowing in the ocean. It is caused by many forces such as solar heating, winds, gravity, earth’s rotation, and many more, which explain the fragility of its constitution.

The carbon market is a concept based on the “polluter pays” principle. The objective is to reduce gas emissions through the use of market law. It assembles voluntary organizations that exchange the rights to issue carbon dioxide.