Sustainability

Category Archives: Green Mission

Farming for a Small Planet

How we grow food determines who can eat and who cannot—no matter how much we produce.

People yearn for alternatives to industrial agriculture, but they are worried. They see large-scale operations relying on corporate-supplied chemical inputs as the only high-productivity farming model. Another approach might be kinder to the environment and less risky for consumers, but, they assume, it would not be up to the task of providing all the food needed by our still-growing global population.

Contrary to such assumptions, there is ample evidence that an alternative approach—organic agriculture, or more broadly “agroecology”—is actually the only way to ensure that all people have access to sufficient, healthful food. Inefficiency and ecological destruction are built into the industrial model.

https://www.commondreams.org/views/2018/01/12/farming-small-planet

 

New Report on Radioactive Tap Water Renews Concerns About Trump Nominee

New Report on Radioactive Tap Water Renews Concerns

About Trump Nominee for Top Environmental Role

Critics are challenging Trump’s “outrageous” and “alarming” move to renominate the former head of a Texas environmental agency who has admitted to falsifying reports of radiation levels in drinking water

https://www.commondreams.org/news/2018/01/12/new-report-radioactive-tap-water-renews-concerns-about-trump-nominee-top

AND

http://www.truth-out.org/news/item/43195-embattled-trump-nominee-inadvertently-draws-attention-to-radiation-in-drinking-water

Cheap renewables undercut nuclear power

Cheap renewables are mounting a serious challenge to nuclear power, which in 2017 has had a difficult year.

Key projects have been abandoned, costs are rising, and politicians in countries which previously championed the industry are withdrawing their support.

Renewables, on the other hand, especially wind and solar power, have continued to expand at an enormous rate. Most importantly, they have got significantly cheaper.

And newer technologies like large-scale battery storage and production of hydrogenare becoming economic, because they harness cheap power from excess renewable capacity.

Cheap renewables undercut nuclear power

Creating a Sustainable Future: 5 Essential Reads

Much news about the environment in 2017 focused on controversies over Trumpadministration actions, such as proposals to promote more use of coal and budget cuts at relevant federal agencies. At the same time, however, many scholars across the U.S. are pursuing innovations that could help create a more sustainable world. Here we spotlight five examples from our 2017 archives.

https://www.ecowatch.com/sustainability-innovations-2017-2520468655.html

 

Will People Eat Relish Made from ‘Waste’ Ingredients? Drexel Study Finds They May Even Prefer It

A new Drexel University study found strong potential for consumer acceptance of a new category of foods created from discarded ingredients.

http://drexel.edu/now/archive/2017/December/Food-Waste-Marketability-Research/

 

Rescued Relish is an anything-goes condiment made from excess produce that Philabundance, a Philadelphia anti-hunger organization, can’t move. The relish is modeled on a Pennsylvania Dutch chowchow recipe — a tangy mix of sweet, spicy and sour flavors. Photo credit, Drexel Food Lab.

Keeping global warming within 1.5 °C constrains emergence of aridification

Aridity—the ratio of atmospheric water supply (precipitation; P) to demand (potential evapotranspiration; PET)—is projected to decrease (that is, areas will become drier) as a consequence of anthropogenic climate change, exacerbating land degradation and desertification

https://www.nature.com/articles/s41558-017-0034-4

Author Says Soil Is Key To Addressing Effects of Climate Change

In 2013 the United Nations declared Dec. 5 to be World Soil Day, a recognition of the significance of healthy soil in both improving food security and nutrition, and mitigating the effects of climate change, including drought, flood, soil erosion and sea level rise. This year the U.N. held a conference at its New York headquarters on the theme of “caring for the planet starts from the ground.”

Didi Pershouse, founder of the Center for Sustainable Medicine in Thetford and author of The Ecology of Care, and the downloadable PDF which was released online in August, was one of five panelists invited to speak at this year’s conference.

http://www.vnews.com/Soil-expert-Didi-Pershouse-speaks-at-UN-conference-14410464

and

didipershouse.com

 

GREEK YOGURT WASTE COULD BE USED IN JET FUEL AND LIVESTOCK FEED

Your Greek yogurt creates food waste that could one day be used in jet fuel.

That’s right—when Greek yogurt is made, it leaves behind liquid whey, which is the watery remains after protein is strained from milk. A process that mixes this waste with thousands of species of bacteria and some heat transforms the whey into a new material called bio-oil, which could be used in biofuels or additives in livestock feed.

http://www.newsweek.com/2017/12/29/greek-yogurt-waste-could-be-used-jet-fuel-and-livestock-feed-746965.html

and

Waste streams can be renewable feedstocks to produce biofuels and chemicals. Acid whey is an example waste stream and is produced by the Greek-yogurt industry in large volumes. This whey and other waste streams have been successfully converted into methane gas by anaerobic digesters with open cultures of microbial consortia (microbiomes). However, the revenue from methane has been relatively low. Until now, no other products could be produced with microbiomes from this waste stream. This has now changed. Here, we showed that acid whey was converted into valuable medium-chain carboxylic acids (MCCAs), such as n-caproic acid (n-hexanoic acid) and n-caprylic acid (n-octanoic acid), without addition of external electron acceptors.

http://www.cell.com/joule/fulltext/S2542-4351(17)30179-4

 

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