Reducing fires lit for agricultural management and deforestation, which unduly affect poorer populations, could help prevent 59,000 premature deaths per year.
agriculture
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To Understand Hunger in Sub-Saharan Africa, Consider Both Climate and Conflict
Warfare exacerbates the impacts of drought to produce food insecurity crises that last long after the drought has passed, new research documents.
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Lake Erie Sediments: All Dredged Up with Nowhere to Grow
Agriculture is a key contributor to the algae mats that plague Lake Erie. With so many fertilizers entering the lake, could sediment from the lake floor be used to grow crops instead?
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Index Suggests That Half of Nitrogen Applied to Crops Is Lost
Food production is becoming less efficient at using nitrogen fertilizer, according to a review of global values. Excess nitrogen damages the environment and the climate.
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Getting to the Bottom of Trawling’s Carbon Emissions
A new model shows that bottom trawling, which stirs up marine sediments as weighted nets scrape the ocean floor, may be releasing more than a billion metric tons of carbon every year.
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Food Security Lessons from the Vikings
Scandinavian societies of the first millennium adapted their farming practices to volcano-driven climate changes.
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Ancient Maya Made Widespread Changes to Wetland Landscape
A system of canals 2 millennia old sustained a local population after the collapse of its neighbors, and it continues to affect local ecology today.
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A Warming World Threatens Colombia’s Coffee Future
Colombia is the second-largest producer of Arabica coffee, but changing climate, soil, and precipitation patterns are already altering the harvest volume, production techniques, and even the taste of coffee.
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Early Inhabitants of the Bahamas Radically Altered the Environment
Clues in sediments show that once humans arrived on Great Abaco Island, they hunted large reptiles to extinction and burned the old hardwoods and palms, leading to new pine- and mangrove-dominated lands.
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Repensar el concepto de agua virtual en el mercado comercial mundial
Las discusiones sobre el comercio mundial están comenzando a considerar el agua que se necesita para producir bienes exportados. Algunos científicos sostienen que este enfoque debería tener una perspectiva regional más que global.