with in july 2019 researchers at the swiss federal institute of technology e th zurich made global headlines, planting trees could help mitigate climate change. they said, but it would require a huge number of trees to be planted worldwide. reforestation covering an area about the size of the united states a massive undertaking. but the idea was an appealing one, a promise to save the climate with a simple act planting trees. but the initial euphoria soon began to ebb. critics included scientists who called the idea unrealistic in germany, the university of barnes i called luling was one of 1st scientists to speak out, skipped them some. i m in the arab studio, i me go. there are a number of questions. the authors of that study need to address is all of that land actually suited to planting trees out. in that time they see a lot of potential in the taiga, in the tundra, in regions that are too cold. the trees yawn, they want to plant trees in the savannah, which is nothing li