Invasive red seaweed species that reach Long Island’s waterways all the way from the western Pacific Ocean threaten local ecosystems; they outcompete native species for habitats and have the potential ...

Organic fertilizers are gentle-acting carbon- and microbe-containing materials from plant and animal residues. Examples include blood, bone, compost, manures, seaweed, sugars, grains, meals and worm ...

Prospective kelp growers who want to join the handful of existing commercial seaweed farms in the Pacific Northwest are having to contend with a lengthy permitting process. It’s gotten contentious in ...