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  • Cooler, Cleaner Megacities, One Rooftop Garden at a Time

    Organizations in Egypt and Bangladesh are greening their cities by turning rooftops into urban gardens that can grow food, reduce air pollution, and decrease air temperatures. Green Savers in Dhaka has installed more than 5,000 rooftop gardens in the city and Urban Greens in Cairo partners with sponsors to install hydroponic rooftop gardens for families experiencing economic hardship. It’s been a challenge to convince people that the cost to maintain these spaces is worthwhile, but through community outreach efforts, these organizations have seen an increase in interest in installing rooftop gardens.

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  • Indian Cities Prepare for Floods with Predictive Technology

    In coastal cities in India, floods have led to hundreds of deaths and millions of people being displaced. To address the issue, scientists had to address a variety of factors: hydrology of the upstream region; river, tidal, and storm surge modeling; and a high-resolution digital elevation map of the city. A group of scientists from 13 research institutes and government organizations looked at all those factors and came up with a real-time flood forecasting system. It generated 800 flood scenarios. When it rains the model predicts the most vulnerable sites.

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  • The force that could redraw the peninsula of India

    In the South Indian coast, erosion is leading to disappearing beaches. A study found that this erosion was in part due to man-made structures like a harbor that was built in the late 80s, groynes, and seawalls. These structures were interfering with the natural movement of sand. To fix it, they needed a structure that could block waves but also allow sand movement, the solution? An artificial reef. It was installed and some beaches are already seeing the results.

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  • Hotels for those left unhoused by wildfires

    Hotels and motels are being converted into free housing for people experiencing housing instability in Oregon. Project Turnkey is a state-funded initiative that buys potential housing units and puts local organizations in charge of running them. The program was a response to displaced victims of wildfires that tore through a number of communities in 2020 but future plans include housing people experiencing homelessness for any reason.

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  • How Vancouver is protecting itself from future flooding — with plants

    Large cities like Vacounver and Seattle are increasingly leaning towards "green infrastracture," a method of managing stormwater through natural systems like green roofs and rain gardens that absorb rainwater. Cities have traditionally relied on traditional sewage systems, but in the face of climate change, and more intense storms, its proving to be inadequate. Green infrascture lowers flood levels, filters out pollutants in the water, and regulates city temperature. In Seattle, an early adopter of green infrastructure, rain gardens absorbed 1.5 trillion liters of rainwate.

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  • Reimagining a Better World After George Floyd's Death

    Two ways that communities affected by police violence and racial injustice responded to the uprising after George Floyd's murder were block-by-block organizing and participatory budgeting. The first, used in Minneapolis, provided public safety and mutual aid when neighbors formed networks to guard buildings, put out fires, mediate disputes, and deliver aid to people living through a period of unrest. In participatory budgeting, 30 cities turned over control of $400 million in public spending to communities, which set policy based on communal decisions and directed financial priorities.

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  • The Great Plains prairie needs fire to survive. These ranchers are bringing it back.

    The Loess Canyons Rangeland Alliance in Nebraska is working to preserve grasslands through prescribed burns. Eighty-volunteer members have burned nearly 85,000 acres to stop the spread of cedar trees that disrupt the prairie ecosystem. These burns allow the grass to return, which has been helpful for farmers and their livestock. This work has inspired others in the state to create associations to share resources on how to restore their lands.

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  • Amid Devastating California Fire Season, One Small Community Saved Itself. Here's How

    After years of debate and education, the residents of the tiny community of Rock Haven, in the Sierra National Forest, found the will and the money to "treat" the forest around their homes: removing dead trees and brush that made the land extremely vulnerable to wildfire. When the massive Creek Fire in 2020 arrived, it wiped out the trees in the part of the property that had gone untreated, but left unscathed the treated land and the cabins on it. The costly preparation made firefighting safer and more effective while slowing the wildfire's spread.

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  • The long shot that saved Belize's coral

    After a hurricane hit the coast of Belize in 2001, it essentially destroyed the coral reefs in Laughing Bird Caye National Park. Lisa Carne wanted to start transplanting coral to regrow the reefs, but it took five years to secure funding to start her project. Restoring coral reefs is a lot of effort, so she founded a nonprofit called Fragments of Hope that hired local residents to help. Because of her efforts, over 85,000 corals have been planted and 89 percent of them survived after 14 years, The techniques used are being applied in other countries like Colombia, Jamaica, and St. Barts.

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  • As Paradise Rebuilds, It's Also Preparing for the Next Fire

    After the 2018 Camp Fire that tore through the town of Paradise, California, local residents are starting to rebuild. As of April, the town issued nearly 1,500 building permits. They’re also implementing a plan to remove trees that pose a safety concern for residents, which has been an extensive coordination effort between federal, state, and local government officials. Housing prices in the area have increased significantly making it difficult for some people to rebuild, but some organizations are working to help those that want to return to the area.

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