In piaget's stage, you would expect one to develop interest in ethics, politics, and social and moral issues.

Formal operational  stage

Explanation:There are four stages of cognitive development according to Piaget of which the The last  stage is known as the formal operational stage  which begins about the age of 12 and continues into adulthood.

During this stage, the individual develops the ability to analyze situations, and gets involved in concrete  reasoning and argument hereby allowing them to develop interest in ethics politics and moral issues, in which they are able to consider many perspectives and concepts about the different issues by thinking abstractly and logically and then draw reasonable conclusions on such issues.

well, there are a lot of places we get information about earth from. like science classes, websites, books, newspapers, etc.