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  • Could leaving 'room for the river' help protect communities from floods?

    While many communities in the Midwest use dams and levees to control the Mississippi River, some are trying new approaches to flood control as climate change threatens to increase rainfall and the severity of storms in the region. Some cities are turning to the Dutch solution of leaving “room for the river” to allow the body of water to flow naturally and design public spaces to handle inundation. While this technique doesn’t always work during major flooding events, traditional flood control strategies can be more harmful and actually worsen flooding.

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  • The revolutionary boat powered by the ocean

    Since the Philippines relies on boats to transport people and goods across the island nation, a shipbuilding company is designing a new low-carbon alternative of the bangka — a traditional Filipino boat — that uses the waves of the ocean to power it instead of fossil fuels. The ship, known as the trimaran, uses wave energy that converts into electricity for the ship. However, a typhoon and the COVID-19 pandemic have delayed the project, and there are also cost and design challenges. But the trimaran’s use of wave energy could be a step toward reducing the country’s greenhouse gas emissions.

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  • Will Your Next Salmon Come from a Massive Land Tank in Florida?

    A Norwegian firm has built a land-based fish farm – which is "a supersized aquatic version of greenhouse agriculture that aims to solve a host of environmental problems plaguing conventional salmon farms in coastal waters" – near the tip of the Florida peninsula. Although it's yet to be seen if demand will be to the scale necessary to deem the endeavor financially viable, in Denmark where this concept was initially piloted, more than 25 generations of salmon have already been harvested.

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  • Investors say agroforestry isn't just climate friendly — it's also profitable

    With the growing trend in regenerative agriculture, Propagate Ventures is working with farmers to transition them from conventional agriculture to agroforestry. This technique focuses on incorporating trees into farmland which can improve soil health and crop production, and reduce carbon emissions. The company offers farmers help to build the system and connections to investor financing. While implementing an agroforestry system can take time, Propagate Ventures is seeing the interest grow: They’ve expanded to eight states and recently received $1.5 million in capital funding.

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  • Can direct air capture make a real impact on climate change?

    Climeworks is focusing on pulling carbon dioxide directly out of the air to store or reuse in some capacity as a way to lower global greenhouse gas emissions. The Swiss company has 16 plants around Europe, with their biggest one in Switzerland that removes 900 tons of carbon dioxide a year that is then sold to Coca-Cola Co. to put in soft drinks or to local industrial greenhouses for plant growth. Scaling the operations to capture more carbon is costly, but the startup recently raised $76 million from investors.

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  • Ecosystems-based adaptation keeps water running in Bhojdari even in dry months

    Bhojdari, a town in India, faced a severe drought in the early 2000s. The town doesn't have a river or canal nearby. However, after implementing an ecosystems-based approach, the town has reliable access to water, even in the dry months. Some of the methods that were incorporated in this approach included the creation of irrigation models, planting bamboo trees, and creating fish ladders so that fish can move up the stream. Ultimately, the model led to an increase in cultivation for local farmers and sufficient water for the town.

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  • Can the forests of the world's oceans contribute to alleviating the climate crisis?

    A researcher in Tasmania is working to create climate-resilient “super-kelp” that could survive in its new climate along the coastline and help absorb carbon to prevent it from being released into the atmosphere. Other conservationists around the world are using different techniques to revitalize its diminishing kelp forests. In California, they have hand-cleared 52 acres of invasive purple urchins from the seas to bring back its kelp forest. While kelp can be tricky to work with, rebuilding these forests is one way to combat climate change.

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  • How ‘Sustainable' Web Design Can Help Fight Climate Change

    As part of a growing movement in sustainable software design, Danny Van Kooten, a Dutch programmer, refactored the code on his website plug-in to reduce the amount of energy expended when someone interacts with it. About 2 million websites use his plug-in and by trimming the code, he estimates that he reduced the world’s monthly carbon dioxide output by 59,000 kilograms. While larger companies like video-streaming services put out more emissions, individual website owners can take steps to reduce their own CO2 footprint.

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  • Turning manure into money

    Dairy farmers in Massachusetts are working with Vanguard Renewables, a food waste energy company, and Dominion Energy, an electric utility company, to capture manure methane gas from cows and convert it into natural gas. They are also adding food waste to the manure from manufacturers and retailers to increase energy output and increase income for farmers. The partnership has expanded to dairy farms in other states who are looking to lower their greenhouse gas emissions.

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  • How Massachusetts v. EPA Forced the U.S. Government to Take On Climate Change

    In order to get the U.S. government to take action on climate change, 30 environmental groups and 12 state governments joined forces to sue the Environmental Protection Agency arguing that it was required to regulate greenhouse gas emissions according to the Clean Air Act. While the U.S. Supreme Court ruled in their favor in the landmark Massachusetts v. EPA case in 2007, the justices’ decision didn’t specify how to reduce that pollution and future lawsuits could challenge the government’s requirement to reign in those emissions.

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