Earth
Reshaping the Mississippi for a warmer future
The levees and spillways have held back most of this year's floods – but how should they be adapted for an eroding coastline and a changing climate?
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The levees and spillways have held back most of this year's floods – but how should they be adapted for an eroding coastline and a changing climate?
Converting Brazil's existing farmland to sugarcane for biofuel could slightly cool the local climate