Archivi tag: news

LA SALUTE UN BENE DA ALLEVARE

Si è tenuto a Milano il 27 ottobre , presso la Facoltà di Medicina Veterinaria, un convegno organizzato in collaborazione con COOP sul tema della Salute e dei prodotti di origine animale allevati con cura e attenzione, con particolare riguardo all’assenza di antibiotici

Rilevante intervento sull’impatto ambientale delle produzioni animali, tenuto dalla prof.ssa Anna Sandrucci, che potete scaricare qui:

IMPATTO AMBIENTALE DEGLI ALLEVAMENTI Sandrucci 27-10-2017

 

 

Precision Agriculture Technologies and GHG Emissions

Precision Agriculture Technologies Positively Contributing to GHG Emissions Mitigation, Farm Productivity and Economics

Sustainability 20179(8), 1339; doi:10.3390/su9081339

Agriculture is one of the economic sectors that affect climate change contributing to greenhouse gas emissions directly and indirectly. There is a trend of agricultural greenhouse gas emissions reduction, but any practice in this direction should not affect negatively farm productivity and economics because this would limit its implementation, due to the high global food and feed demand and the competitive environment in this sector. Precision agriculture practices using high-tech equipment has the ability to reduce agricultural inputs by site-specific applications, as it better target inputs to spatial and temporal needs of the fields, which can result in lower greenhouse gas emissions. Precision agriculture can also have a positive impact on farm productivity and economics, as it provides higher or equal yields with lower production cost than conventional practices. In this work, precision agriculture technologies that have the potential to mitigate greenhouse gas emissions are presented providing a short description of the technology and the impacts that have been reported in literature on greenhouse gases reduction and the associated impacts on farm productivity and economics. The technologies presented span all agricultural practices, including variable rate sowing/planting, fertilizing, spraying, weeding and irrigation.

Clima, il rapporto Usa: temperature record per colpa dell’uomo

Clima, il rapporto Usa: temperature record per colpa dell’uomo. E gli esperti temono la censura di Trump

La comunità scientifica Usa è in massima allerta. Il timore è che il presidente o i funzionari della sua amministrazione possano tentare di rallentare o addirittura bloccare gli studi sull’impatto che i cambiamenti climatici stanno avendo negli Usa.

Clima rapporto USA

SAVE FOOD: Global Initiative on Food Loss and Waste Reduction (FAO)

La FAO rilancia le attività per il contenimento delle perdite di alimenti lungo tutta la filiera, dalla produzione al consumatore.

DO GOOD, SAVE FOOD

http://www.fao.org/save-food/en/

Food waste is all the food wasted even though it would have been good to eat: if something goes off in your fridge because you haven’t eaten it in time; if you have put too much on your plate and throw away your leftovers instead of eating them later… this is food waste.

SAVE FOOD: Global Initiative on Food Loss and Waste Reduction

 

 

Il riscaldamento globale impoverirà gli Stati Uniti

Uno studio pubblicato su Science simula gli effetti del cambiamento climatico sull’economia degli USA nei prossimi decenni.

Estimating economic damage from climate change in the United States. 
Solomon Hsiang et al., Science  30 Jun 2017, 356, 1362-1369
DOI: 10.1126/science.aal4369
 

“Se non si porranno rimedi assisteremo al più colossale trasferimento di ricchezza dai poveri ai ricchi nella storia degli Usa” E in alcune aree del Sud degli USA il reddito pro capite potrebbe crollare del 25%.

Articolo sulla Repubblica del 30 giugno 2017

Articolo originale su Science (Estimating economic damage from climate change in the United States – Hsiang et al., 2017)

FAO report: The future of food and agriculture: Trends and challenges

FAO report: The future of food and agriculture: Trends and challenges

The recent FAO’s report identifies 15 trends and 10 challenges affecting the world’s food systems:

15 trends

  • A rapidly increasing world population marked by growth “hot spots,” urbanization, and aging
  • Diverse trends in economic growth, family incomes, agricultural investment, and economic inequality.
  • Greatly increased competition for natural resources
  • Climate change
  • Plateauing agricultural productivity
  • Transboundary diseases
  • Increased conflicts, crises and natural disasters
  • Persistent poverty, inequality and food insecurity
  • Dietary transitions affecting nutrition and health
  • Structural changes in economic systems and employment implications
  • Increased migration
  • Changing food systems and resulting impacts on farmers livelihoods
  • Persisting food losses and waste
  • New international governance mechanisms for responding to food and nutrition security issues
  • Changes in international financing for development.

10 challenges

  • Sustainably improving agricultural productivity to meet increasing demand
  • Ensuring a sustainable natural resource base
  • Addressing climate change and intensification of natural hazards
  • Eradicating extreme poverty and reducing inequality
  • Ending hunger and all forms of malnutrition
  • Making food systems more efficient, inclusive and resilient
  • Improving income earning opportunities in rural areas and addressing the root causes of migration
  • Building resilience to protracted crises, disasters and conflicts
  • Preventing transboundary and emerging agriculture and food system threats
  • Addressing the need for coherent and effective national and international governance

Oggi è il World Oceans Day

World Oceans Day is a global day of ocean celebration and collaboration for a better future. The site http://www.worldoceansday.org/ serves as the central coordinating platform for World Oceans Day, with free resources and ideas for everyone – no matter where you live – to help expand the reach and impact of World Oceans Day on June 8 and year-round.

Overall theme for World Oceans Day 2017:

 Our Oceans, Our Future

Conservation action focus:

Encouraging solutions to plastic pollution and preventing marine litter for a healthier ocean and a better future

Oggi è il World Environment Day

Oggi è la Giornata Mondiale dell’Ambiente

http://worldenvironmentday.global

Take a photo or video
Capture your favorite spot in nature.
Find your happy place–it could be a national park or a hidden gem. Even better if it includes you.

Tag your submission
Share the story of your favorite place in nature and why it matters to you using #WorldEnvironmentDay or #WithNature.

 

 

Una review per l’impatto ambientale di diverse categorie di alimenti – Systematic review of greenhouse gas emissions for different fresh food categories

Systematic review of greenhouse gas emissions for different fresh food categories

Stephen Clune a,  Enda Crossin b , Karli Verghese c

a Lancaster Institute for the Contemporary Arts, Lancaster University, Bailrigg, Lancaster LA1 4YW, UK

b School of Aerospace, Manufacturing and Mechanical Engineering, RMIT, Australia

c Centre for Design and Society, School of Architecture and Design, RMIT University, GPO Box 2476, Melbourne, Victoria 3001, Australia

This paper presents the results of a systematic literature review of greenhouse gas emissions for different food categories from life cycle assessment (LCA) studies, to enable streamline calculations that could inform dietary choice. The motivation for completing the paper was the inadequate synthesis of food greenhouse gas emissions available in the public domain. The paper reviewed 369 published studies that provided 1718 global warming potential (GWP) values for 168 varieties of fresh produce. A meta-analysis of the LCA studies was completed for the following categories: fresh vegetables (root vegetables, brassica, leaves and stems); fresh fruits (pepo, hesperidium, true berries, pomes, aggregates fruits and drupes); staples (grains, legumes, nuts, seeds and rice); dairy (almond/coconut milk, soy milk, dairy milk, butter and cheese); non-ruminant livestock (chicken, fish, pork); and ruminant livestock (lamb and beef). The meta-analysis indicates a clear greenhouse gas hierarchy emerging across the food categories, with grains, fruit and vegetables having the lowest impact and meat from ruminants having the highest impact. The meta-analysis presents the median, mean, standard deviation, upper and lower quartile, minimum and maximum results for each food category. The resultant data enables streamline calculations of the global warming potential of human diets, and is illustrated by a short case study of an Australian family’s weekly shop. The database is provided in the Appendix as a resource for practitioners. The paper concludes with recommendations for future LCA studies to focus upon with respect to content and approach.

Nuovo record CO2, superata la soglia dei 410 ppm in atmosfera

Nuovo record per la concentrazione di anidride carbonica in atmosfera che ha oltrepassato la soglia di 410 parti per milione (ppm). L’Osservatorio di Mauna Loa, alle Hawaii, la più antica stazione di rilevamento di CO2 al mondo, ha registrato 412 ppm il 26 aprile scorso, mentre la soglia di 410 ppm era stata superata il 18 aprile. Gli esperti del Met office (l’agenzia britannica per la meteorologia) avevano previsto questo record per maggio. Da settembre 2016 la CO2 ha superato 400 ppm in modo permanente.

Articolo su  ANSA

Articolo originale (20 aprile 2017) su Climate Central