What Are Soil Contamination Levels

Soil contamination arises when harmful chemicals and materials change the nature and composition of the soil. This is also known as soil pollution. This form of pollution has both primary and secondary negative effects. Plants, animals and humans, are affected when they come in contact with contaminated soil. Also, ground water gets adversely affected.Western Europe and North America are leaders in setting standards for inhibiting soil contamination.

Where Does Acid Rain Come From ?

Acid rain is nothing but the regular rain that has turned acidic. There are several causes for acid rain, and one of the main reasons among them is high levels of pollution. Several industries, vehicles and power generating plants are dependant on fossil fuels like coal and oil for their operations.Almost everyone depends on power, and vehicles to run people's everyday lives.