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The rooftop photovoltaics (PV) industry in the United States has grown significantly, but little is known about any racial and ethnic disparity in PV adoption. This study compares the adoption of rooftop PV across census areas grouped by racial and ethnic majority. It finds that in census areas that have predominantly black or Hispanic people, average rooftop PV installation is significantly lower.
Offshore mariculture could promote food security and economic development while sparing wild fisheries. This model-based study finds that the Caribbean could produce over 40 million metric tons of cobia (Rachycentron canadum), about half as much as the current global wild fish catch, and in less than 1.5% of the study area.
To achieve both biodiversity conservation and timber production in tropical forests, this modelling study finds that improved management has much more impact than the choice between sparing forests or sharing forest land for both purposes.
Maintaining food security by increasing smallholder production is a global sustainability concern. This study uses field trials on potatoes to demonstrate the positive impact of within-species diversification on yield, disease resistance and improved soil health.
