We use oil to make plastics. So, in theory, couldn’t we break down used plastic back into its components and get oil back out again? Yes. And the idea isn’t just theoretical. A number of companies (as well as some [...]
With water stresses already at high levels in many parts of the world and not expected to ease in 2013, a number of innovators are trying new technologies to produce, purify and conserve this critical resource. New solutions will be [...]
Researchers in the UK hope to use common flowers to not only remove poisons from soil but produce perfectly sized nanoparticles for catalytic converters, cancer treatments and other uses. The £3 million project, “Cleaning Land for Wealth,” will test the [...]
Interesting question: does this video of smart agricultural technology from John Deere promise an exciting, more productive, less backbreaking future for farming? Or, as Kay McDonald, an agricultural researcher, suggests in her blog Big Picture Agriculture, does it conjure up [...]
It’s strong, versatile and — after water — the world’s most widely used material. But concrete also comes with two major downsides: it’s a major contributor to global greenhouse gas emissions (anywhere from 8 to 15 percent of carbon dioxide [...]
A metal-tolerant bacterium has been found to be able to convert gold chloride — a toxic chemical compound found in nature — into 24-karat gold. “Microbial alchemy is what we’re doing — transforming gold from something that has no value [...]
The next “green revolution” might be miniaturized … as in genetically modified, semi-dwarf trees. With altered genes to encourage larger-than-usual root masses or sturdier trunks — as well as smaller overall size — such trees could offer better drought resistance, [...]
Wastewater treatment plants could one day not only power themselves but be able to generate excess electricity for use by others. The answer, according to researchers at Oregon State University (OSU), lies with microbial fuel cells, in which bacteria oxidize [...]
Trash in our oceans isn’t something to think about only on World Oceans Day, or when yet another odd piece of debris from the 2011 Japan tsunami washes up on distant shores. It’s a pervasive, and ever-growing problem in every [...]
How can a city get smarter about garbage and start reducing waste? The first step is to stop thinking about garbage as “garbage.” By considering things like coffee grounds, plastic bags, glass bottles and packaging as resources, rather than waste, [...]
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