The natural emissions are balanced by natural absorption to form a net zero cycle, whereas human emissions are a net input. It makes no sense to compare the two. (View Post)

If the pollution is mainly due to a few very dirty vehicles, then it can be both. (View Post)

Frankly, I'm just astonished that every single one of my ancestors managed to reproduce. I mean, how likely is that? (View Post)

Rather amusingly, the protester interviewed at the end of the BBC report on the Spanish kiss incident is my niece - the product of my brother's short-lived marriage to a Spanish woman. As a bit of an… (View Post)

Birmingham does have some heavy rail as well as its rudimentary metro, but large swathes of the city have only buses as public transport. My own neck of the woods, Sutton Coldfield, has only the cros… (View Post)