What's low-tech, sustainable and possibly the most effective thing we can do to fight climate change? Planting trees. A trillion of them.
원문출처 : https://www.cnn.com/2019/04/17/world/trillion-trees-climate-change-intl-scn/index.html
원문출처 : https://www.cnn.com/2019/04/17/world/trillion-trees-climate-change-intl-scn/index.html