I would consider the answer to be D because if you need current information about the topic, you wouldn't want sources from 10 years that may be inaccurate.
Online articles are subjected to a lot of scrutiny because of the nature of the sources of the article. Most online articles are suffixed with web page handles and they may change at times. This happens when the page becomes updated or when the contents become edited. In this case, it is therefore necessary that the most recent article be used first so that the most recent information is accessed. For this reason, the access date is included in the article page.
Silent spring starts with a positive picture and ends with a negative picture, while " Save the redwoods" start with a negative picture and end with a positive picture