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Earth

These Drones Will Plant 40,000 Trees in a Month. By 2028, They'll Have Planted 1 Billion (fastcompany.com) 50

Earlier this month, on land north of Toronto that previously burned in a wildfire, drones hovered over fields and fired seed pods into the ground, planting native pine and spruce trees to help restore habitat for birds. From a report: Flash Forest, the Canadian startup behind the project, plans to use its technology to plant 40,000 trees in the area this month. By the end of the year, as it expands to other regions, it will plant hundreds of thousands of trees. By 2028, the startup aims to have planted a full 1 billion trees. The company, like a handful of other startups that are also using tree-planting drones, believes that technology can help the world reach ambitious goals to restore forests to stem biodiversity loss and fight climate change. The Intergovernmental Panel on Climate Change says that it's necessary to plant 1 billion hectares of trees -- a forest roughly the size of the entire United States -- to limit global warming to 1.5 degrees Celsius. Existing forests need to be protected while new trees are planted; right now, that isn't working well. "There are a lot of different attempts to tackle reforestation," says Flash Forest cofounder and chief strategy officer Angelique Ahlstrom. "But despite all of them, they're still failing, with a net loss of 7 billion trees every year."

Drones don't address deforestation, which is arguably an even more critical issue than planting trees, since older trees can store much more carbon. But to restore forests that have already been lost, the drones can work more quickly and cheaply than humans planting with shovels. Flash Forest's tech can currently plant 10,000 to 20,000 seed pods a day; as the technology advances, a pair of pilots will be able to plant 100,000 trees in a day (by hand, someone might typically be able to plant around 1,500 trees in a day, Ahlstrom says.) The company aims to bring the cost down to 50 cents per tree, or around a fourth of the cost of some other tree restoration efforts. When it begins work at a site, the startup first sends mapping drones to survey the area, using software to identify the best places to plant based on the soil and existing plants. Next, a swarm of drones begins precisely dropping seed pods, packed in a proprietary mix that the company says encourages the seeds to germinate weeks before they otherwise would have. The seed pods are also designed to store moisture, so the seedlings can survive even with months of drought. In some areas, such as hilly terrain or in mangrove forests, the drones use a pneumatic firing device that shoots seed pods deeper into the soil.

Businesses

Should Employers Cut Your Salary If You Change Cities? (cnn.com) 346

CNN reports: Stripe is paying employees $20,000 if they relocate from expensive cities such as San Francisco, Seattle and New York, where the company has offices. But workers who make the move will have to take a 10% pay cut.
"Twitter Inc. and ServiceNow Inc. have all considered similar measures," reports Bloomberg. And Forbes notes that other companies are also grappling with similar policies: According to Bloomberg, "employees who worked at VMware's Palo Alto, California, headquarters and go to Denver, for example, must accept an 18% salary reduction. Leaving Silicon Valley for Los Angeles or San Diego means relinquishing 8% of their annual pay." Rich Lang, VMware's senior vice president of human resources, offered a positive alternative. When a person relocates and works remotely, they "could get a raise if they chose to move to a larger or more expensive city..."

Facebook CEO Mark Zuckerberg forewarned his personnel, saying those who flee to lower-cost cities "may have their compensation adjusted based on their new locations." The chief executive added, "We'll adjust salary to your location at that point. There'll be severe ramifications for people who are not honest about this."

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