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The process of obtaining sea urchin gonads, a high-demand culinary delicacy, involves the killing of the organism. Rakaj and colleagues present a sustainable no-kill sea urchin aquaculture method to produce an alternative market product of ‘caviar’ made of eggs produced by female batches.
The pervasive contamination of ecosystems with active pharmaceutical ingredients poses a serious threat to biodiversity, ecosystem services and public health. Urgent action is needed to design greener drugs that maintain efficacy but also minimize environmental impact.
The acute effects of climate change are already manifesting, yet coastal residents have taken little action to mitigate these effects or adapt to them. Understanding how targeted risk communications might influence their risk perceptions is critical to encouraging actions that will protect coastal properties and communities.
We present a sea urchin aquaculture method called raking. Unlike traditional methods in which the entire gonad is the final product, thereby requiring sea urchin killing, eggs are the final product in raking. As killing of sea urchins is not necessary, several production cycles are possible with this method, enabling sustainable echinoculture.
Outdoor recreation is an essential component of forming an understanding of nature, and hunting and fishing are no exception. This Perspective looks at how these activities can generate feelings of stewardship towards the environment and wildlife.
Contemporary discussions about sustainability and adaptation rely on concepts of regeneration. Linking regenerative dynamics and practices from disparate disciplines provides a framework for employing regenerative systems to advance cross-domain sustainability science.
While land use is often seen as a function of governance and economics, the role of culture is largely understudied. This study examines the cultural dynamics that play a role in a wide range of land-use outcomes globally
The Indian government implemented the National Clean Air Programme (NCAP) in 2019 to tackle airborne particulate matter pollution. Based on monitoring data and regional model simulations, this study reveals partial achievement of NCAP targets, but highlights the critical need for additional mitigation measures to further improve air quality in India.
Mitigation efforts to protect agricultural productivity against flooding focus on areas with high-frequency floods. However, agricultural regions with low-frequency floods experience a larger proportion of flood impacts, highlighting the urgency of prioritizing mitigation efforts in these regions.
Reducing groundwater extraction to sustainable levels may have detrimental impacts on global food security. Improving rainfed water use efficiency and investments in agricultural research and development can ensure sustainable groundwater resources and food security into the future.
Getting coastal residents to understand the risk of rising sea levels can be difficult. This study finds that showing individuals top-down maps of future sea-level boundaries can be counterproductive to making residents concerned about climate impacts.
Marine genetic resources are important reservoirs for biodiscovery compounds that can help address public and environmental health challenges. This study presents a database and analysis on the commercial use of marine genetic resources towards the sustainable use of marine biodiversity.
Sea urchin gonads are high-demand culinary delicacies, and depleted wild populations of these echinoderms have spurred efforts to culture them sustainably. This study presents a sea urchin aquaculture method that produces ‘caviar’ made of eggs produced by female batches, without needing to kill the sea urchins.
Developing depolymerizable and recyclable polymers with high light-emitting efficiencies is of vital importance for sustainable photonic technologies, but remains challenging. Here the authors design a strategy to develop such polymers based on the use of controllable cleavable moiety.
Silicon (Si) has emerged as a promising next-generation anode material. Here the authors recycle photovoltaic waste for micro-sized Si that can pair with high-voltage cathode for high-performance Li-ion pouch cells.
Improving the resilience of energy systems to natural hazards cannot rely only on strengthening technical aspects of energy grids. This study shows how integrating technical and socioeconomic dimensions in the design of microgrids can enhance the resilience and equity of energy systems and promote well-being.