Leading the sustainability efforts at Google and Facebook might seem like dream jobs, but for Bill Weihl there were still nights when he couldn't sleep. Acutely aware of the narrowing window to avoid the worst effects of climate change, Bill was haunted by a burning question: how could he create more change, faster? Thus was born "Climate Voice," his new initiative designed to empower employees of any company to be agents of change... particularly around influencing public policy.