Ecosystem Marketplace: The hula-hoop first caught on in the US state of California, as did crack cocaine. For better or worse, that's where trends originate before they sweep the nation and, often, the world. So it's apropos that California is closely engaging with the Governors' Climate and Forests Task Force (GCF) , which links the state up with 18 other "sub-national' governments, from Illinois in the US to Chiapas in Mexico to Cross River in Nigeria. But the GCF isn't the only one. California belongs to a whopping...