Your breakfast this morning came at a cost not only to your wallet. Your bowl of Cheerios and cup of coffee and all the other meals for the other 6 billion people in our world cost the Earth a bit of its water, a bit of its ecological diversity, contributed to its pollution and may one day cost us our livelihood.
In the July 22, 2005 issue of the journal Science, co-author Terry Chapin, professor of ecology at the University of Alaska Fairbanks (UAF) Institute of Arctic Biology (IAB), and colleagues point out that modern land-use practices may be trading short-term increases in food production for long-term losses in the environment’s ability to support human societies. Part of the solution, according to Chapin, is the students in UAF’s Regional Resilience and Adaptation Program (RAP).
Local land-use practices such as clearing tropical and boreal forests, practicing large-scale agriculture, expanding urban centers and intensifying farmland production are so pervasive their effects are now observed globally. Fertilizer use, which has increased 700% in the past 40 years, and human-caused atmospheric pollution now negatively affect water quality and coastal and freshwater ecosystems. Biodiversity is lost due to modification, fragmentation and loss of habitats, soil, and water, and exploitation of native species. Land-use practices play a role in changing the global carbon cycle, and possibly, the global climate.
Marie Gilbert | EurekAlert!
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In a recent publication in the renowned journal Optica, scientists of Leibniz-Institute of Photonic Technology (Leibniz IPHT) in Jena showed that they can accurately control the optical properties of liquid-core fiber lasers and therefore their spectral band width by temperature and pressure tuning.
Already last year, the researchers provided experimental proof of a new dynamic of hybrid solitons– temporally and spectrally stationary light waves resulting...
Scientists from the University of Freiburg and the University of Basel identified a master regulator for bone regeneration. Prasad Shastri, Professor of...
Moving into its fourth decade, AchemAsia is setting out for new horizons: The International Expo and Innovation Forum for Sustainable Chemical Production will take place from 21-23 May 2019 in Shanghai, China. With an updated event profile, the eleventh edition focusses on topics that are especially relevant for the Chinese process industry, putting a strong emphasis on sustainability and innovation.
Founded in 1989 as a spin-off of ACHEMA to cater to the needs of China’s then developing industry, AchemAsia has since grown into a platform where the latest...
The BMBF-funded OWICELLS project was successfully completed with a final presentation at the BMW plant in Munich. The presentation demonstrated a Li-Fi communication with a mobile robot, while the robot carried out usual production processes (welding, moving and testing parts) in a 5x5m² production cell. The robust, optical wireless transmission is based on spatial diversity; in other words, data is sent and received simultaneously by several LEDs and several photodiodes. The system can transmit data at more than 100 Mbit/s and five milliseconds latency.
Modern production technologies in the automobile industry must become more flexible in order to fulfil individual customer requirements.
An international team of scientists has discovered a new way to transfer image information through multimodal fibers with almost no distortion - even if the fiber is bent. The results of the study, to which scientist from the Leibniz-Institute of Photonic Technology Jena (Leibniz IPHT) contributed, were published on 6thJune in the highly-cited journal Physical Review Letters.
Endoscopes allow doctors to see into a patient’s body like through a keyhole. Typically, the images are transmitted via a bundle of several hundreds of optical...
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22.06.2018 | Materials Sciences
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22.06.2018 | Life Sciences