The author examined the environmental effects,

likewise furthermore although similarly * the economic effects were just as significant.

The author's analysis of the environmental effects indicates that there were negative repercussions on the natural world. However, in addition to these environmental impacts, the economic effects were also found to be substantial. Similarly, the economic consequences of the situation were just as significant as the environmental ones. Furthermore, the economic effects were likewise important and cannot be ignored. Although the primary focus may have been on the environment, it is important to recognize the parallel significance of the economic effects.