You're probably are aware of this fact already, and methane has been around for longer than we have. Levels naturally rise and fall over the millennia. We want to focus on the effects of human civilization on this important environmental factor.
This is your second home widget box. To edit please go to Appearance > Widgets and choose 7th widget from the top in area 7 called Home Widget 2. Title is also manageable from widgets as well.
Interdum
This is your third home widget box. To edit please go to Appearance > Widgets and choose 8th widget from the top in area 8 called Home Widget 3. Title is also manageable from widgets as well.