AAP: Global insurers are scrambling to roll out green product innovations in a bid to limit climate change caused losses tipped to reach $US400 billion ($A291.44 billion) a year this decade. Catastrophic losses to the global economy brought about by climate change exceeded $US200 billion ($A277.99 billion) in 2008 – the third highest annual level recorded. This has prompted the global insurance industry to develop a host of innovations to curb its exposure to climate change, a …