US national parks are getting overcrowded. That is a microcosm of the whole world.

*The lesson we failed to learn from 9/11: peace is impossible if we don’t talk to our enemies.*

*At least four killed in Taliban crackdown on protests, says UN.* *Human rights official says group conducting house-to-house searches and threatening journalists.*

*‘Tomorrow they will kill me’: Afghan female police officers live in fear of Taliban reprisals.*

*Poor countries say lack of vaccines may exclude them from climate talks.*

*The Unlearnt Lessons of [September 2001], Twenty Years Out.*