The #1 sector responsible for greenhouse gas emissions in the US is transportation , and cars account for 82% of this, according to the United States Environmental Protection Agency (EPA). But approximately 10 percent of them donât have enough available space to restore the intended amount of trees. A study released on Thursday, July 4, 2019 says that the most effective way to fight global warming is to plant lots of trees - a trillion of them, maybe more. The trillion trees initiative to reduce global warming is like someone trying to lose a lot of weight by taking daily walks without changing the daily diet. Global warming is caused by too many âgreenhouse gasesâ in our atmosphere â aka, gases that trap heat and warm our planet. Trees planted in tropical areas sequester an average of 22.6 Kg of carbon per annum. The Intergovernmental Panel on Climate Change (IPCC) said that if the world wanted to limit the rise to 1.5C by 2050, an extra 1bn hectares (2.4bn acres) of trees would be needed. Here are some of the changes that will need to be made in order to stop the current pace of global warming: Reduce carbon emissions by 45% By 2030, global ⦠Even if global warming is limited to 1.5 degrees Celsius, the area available for forest restoration could be reduced by a fifth by 2050 because it would be too warm for some tropical forests. To help reach the UK government's 2050 target to become carbon net zero â thatâs removing as much carbon as weâre producing â we need more trees. It is possible to sequester CO2 by planting trees on degraded land, changing farming practices, and using biochar on farms. Back in 2011, Germany launched the Bonn Challenge, a global initiative aimed at restoring 350 million hectares of trees by 2030. There is enough room in the worldâs existing parks, forests, and abandoned land to plant 1.2 trillion additional trees, which would have the CO2 storage capacity to cancel out a decade of carbon dioxide emissions, according to a new analysis by ecologist Thomas Crowther and colleagues at ETH Zurich, a Swiss university.. (AP Photo/Luca Bruno) Key questions scientists will need to address are how global reforestation might affect Earthâs surface albedo (reflectivity) and evapotranspiration. When you chop down a tree, you ⦠In the near term and locally, says Saatchi, forest restoration may actually have a warming effect. Quora User has an interesting answer, though it is half true. But we do need to plant more trees, quickly. So far, nearly 50 countries have signed on to the commitment. Planting trees is great, but I can't help thinking we also need to stop chopping down forests in the first place. 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