Climate News from AlertNet  Police, protesters clash again in
Sudanese capital World Refugee Day: Millions around the globe
pay tribute to refugees Russian police detain Pussy Riot
supporters Violence in northern Nigeria kills at least 80
FACTBOX-U.S. top donor and destination for resettled refugees
Man claiming al Qaeda link takes hostages in France Development
banks vow $175 bln for clean transport NATO troops among
casualties in Afghan suicide bombing Syria rebels storm army
barracks, kill 20-Observatory Militants bomb power transmission
towers in Iraq