Weekly environmental news, July 28 - Aug 3

Oil from bombed plant damages Lebanon's coast [Reuters]
Major world cities join forces against global warming [Reuters]
Clean penguins return to sea after oil spill [AP]
Floods, snow devastate S. African cities [Reuters]
"Protected" Canadian old growth forest at risk [Reuters]
UK, Calif. to bypass Bush on global warming [AP]
High risks from melting permafrost in Alps [Reuters]