The oceans, lakes, and rivers of this planet form a vast network of aquatic environments, many of which have yet to be explored, remaining more mysterious to researchers than even the moon. Most of the world's major cities are found...
You don't need an expert to tell you that changes in the weather can pose a serious threat to your health, but what about changes that turn out to be permanent? As the population ages, public health officials are growing...
As global warming becomes more of a concern, the country is focusing on ways to meet our energy needs in an environmentally friendly way. The Environmental Protection Agency (EPA) separates energy production into two major classes. The first is Conventional...
