France just passed a mandate that by law all new buildings built in commercial zones must be partially covered in either plants or solar panels. Green roofs with plants or solar panels help to reduce the amount of energy needed to heat or cool a building. Planted roofs are capable of retaining rainwater and reducing problems with runoff, and offer habitat for birds. The law has potential to push the nation into the next phase of sustainability and has received widespread support. W applauds this new mandate and hopes that France's example will inspire other nations to support similar initiatives.
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