E-bikes have a lot going for them. They’re a low-carbon form of transit, a great way to transport groceries and kids, and, frankly, they’re a blast to ride. But in Sydney, reckless riders are causing huge disruptions and injuries are increasing.

Today’s newsletter is a dispatch from Australia about how locals are trying to get a handle on packs of roving e-bikers and make roadways safer for everyone. Plus, your weekend listen on Europe’s clean tech and weekend read on another type of low-carbon transit .