It’s no longer good enough to hunker down with sand bags, hoping to stem the tide. Or to deck the house out with a year’s worth of IKEA candles in preparation for power cuts. As the rain here in the UK begins to retreat for the first time in eight weeks, it’s time to put away our Canute-like pretentions and think seriously about finding smarter, more creative ways to protect our neighborhoods from the increasingly frequent dangers of climate change.