More information about warming temperatures

Look at that graph carefully. It should make you a bit concerned.

Here is a large article about heat, and this article puts the cause mostly on human activity.

Granted that this was from 2017, but I still believe it applies.

Here is the article:

https://www.c2es.org/2017/03/its-certain-the-earth-is-getting-warmer-and-human-activity-is-largely-to-blame/