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Is Seaweed The Key To Carbon Offsets?

Teresa Carey

April 17, 2021 |

Freethink |

Text |

800-1500 Words

Response Location: United States, Maine

Running Tide Technologies, a shellfish hatchery in Maine, is betting on kelp forests as a way to store carbon deep in the ocean and sell that carbon to corporations looking to combat climate change and offset their own emissions. The startup is growing mini-farms of kelp on biodegradable floats and after a few months, they sink to the seafloor. More research is needed to see if it works, but they already have about 1,600 floats adrift in the ocean and the e-commerce company Shopify is the first to buy carbon offsets from them.

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Having Your Desalination and Eating It, Too

Pip Knight

April 09, 2021 |

Hakai Magazine |

Text |

Under 800 Words

Response Location: Spain, Canary Islands

A pilot experiment in the Canary Islands seeks to recycle brine waste from desalination plants to grow hydroponic tomatoes. The leftover brine can be harmful for seagrass along the coast, so researchers looked into ways to create a nutrient solution that could be used to raise tomatoes. Though the yield of the tomatoes using the brine solution was lower, they did have a sweeter taste.

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Seaweed Diet for Cows Lowers How Much Methane They Produce: Study

Marianne Favro

April 07, 2021 |

KNTV-TV |

Broadcast TV News |

Under 3 Minutes

Response Location: United States, Davis, California

Researchers at University of California, Davis found that cows that were fed a small amount of seaweed in their diet drastically reduced the amount of methane they emitted, which could be a low-cost climate solution for farmers. They saw an 82 percent reduction in methane in beef cows and there was also no detectable difference in the taste of the beef. More research is needed to be done to see how these results apply in other settings.

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Helping animals cross the road and other obstacles

Daniel Gordon

April 06, 2021 |

BBC |

Podcast |

Over 15 Minutes

Response Location: Indonesia, Java

As human infrastructure continues to threaten animal habitats, researchers are coming up with ways to use artificial structures as bridges for these creatures to get where they need to go. In Indonesia, irrigation pipes help farmers water their crops, but they’re also used by slow lorises to cross over the farmlands. In Brazil, a bridge crossing a major highway will be used by golden lion tamarins to avoid the busy traffic.

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Simple hand-built structures can help streams survive wildfires and drought

Brianna Randall

March 26, 2021 |

Science News |

Multi-Media |

1500-3000 Words

Response Location: United States, Idaho

Conservationists, government agencies, scientists, and landowners are working together to restore streams using low-cost solutions from sticks, stones, and even beavers. Restoring these floodplains is important to help communities combat drought and wildfires. In Idaho, scientists relocated nine beavers to Birch Creek so they could help repair the dried-up stream. In three years, the beavers built dams, which helped the creek flow for longer in the summer. This method might not work everywhere, so scientists have also tested stone structures, which also proved effective at improving the ecosystem.

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‘Our biggest challenge? Lack of imagination': the scientists turning the desert green

Steve Rose

March 20, 2021 |

The Guardian |

Text |

Over 3000 Words

Response Location: Netherlands, s’-Hertogenbosch

A Dutch group of engineers known as the Weather Makers has an ambitious plan to regreen the Sinai Peninsula — the stretch of desert connecting Egypt to the rest of Asia. Their efforts would restore forests, wetlands, and even adjust the weather for the region. This form of ecosystems regeneration could help with food security and mitigate the effects of climate change. Their process of changing an entire ecosystem can be controversial, but initial tests have shown how this could work on a large scale.

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How Do You Kill an Invasive Species? Bring in a Bigger, Meaner Species to Eat It

Moira Donovan

March 16, 2021 |

The Walrus |

Text |

1500-3000 Words

Response Location: Canada, Vancouver Island, British Columbia

An insect that makes its home on eastern hemlocks in Nova Scotia has the power to wipe out the tree species if left unchecked. Scientists are looking to a strategy called biological control — a historically controversial approach — that would introduce a new predatory species to kill the insect. After rigorous lab testing showed a small black beetle only attacked their targets and didn’t disrupt other ecosystems, they released them in 2003 at an orchard on Vancouver Island. Results show they have been somewhat effective, but it’s unclear if it will completely solve the problem.

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How Jersey City Middle Schoolers Stopped a Flood

Phil Roberts

March 12, 2021 |

Next City |

Text |

800-1500 Words

Response Location: United States, Jersey City, New Jersey

In a science class in a local New Jersey school, students came up with a green solution to a storm water management and flooding problem in their parking lot when it rained. With help from the Cooperative Extension Water Resources Program out of Rutgers University and funding from city agencies, they were able to build planters and install concrete to absorb the runoff. The project galvanized the community, encouraging the school to expand their STEM curriculum.

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Road Salt Is Imperiling Aquatic Ecosystems. It Doesn't Have To.

Anne N. Connor

March 11, 2021 |

Undark |

Text |

800-1500 Words

Response Location: United States, Lake George, New York

An experiment in upstate New York showed how town officials could maintain clean and safe roads during the winter season and protect the environment. By using a salt brine before winter storms, they were able to plow the roads more efficiently and, at the same time, reduce the amount of salt going into waterways that could impact freshwater ecosystems. The effort, launched by the nonprofit FUND for Lake George, required “a culture shift within the towns’ maintenance departments,” but the communities were able to cut their salt usage in half over two years.

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The magic greenhouse

Julie Ball

March 09, 2021 |

BBC |

Podcast |

Over 15 Minutes

Response Location: Somalia

A greenhouse that is cooled by seawater and the wind is allowing farmers in Somaliland to grow crops like tomatoes and vegetables despite extreme heat. By creating an environment that is higher in humidity and cooler in temperature, plants don’t need to drink as much water — almost 10 times less water because of the cooling system. There are challenges to scaling the response, but these greenhouses offer farmers the potential to increase their revenue in Africa.

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