When it comes to environmental news, doom and gloom often rules the day. And it’s easy to get discouraged. But scientists from Yale University say most polluted ecosystems can recover in as little as 5 or 10 years.
The study means it’s not too late to turn things around if societies commit to cleanup, restoration and sustainability, according to Yale’s analysis of 240 independent studies. The findings appear in this month’s issue of the peer-reviewed journal PLoS ONE. Read the rest of this entry »
According to GreenSpaces, these three plants not only lead to fresher indoor air…but also an increase in productivity!
GreenSpaces has tested these plants for the past 15 years in a 20 year old, 50,000 ft2 building with over 300 occupants, and 1,200 plants! A study published on September 8, 2008 found that there is a 42% probability of increasing blood oxygen by 1% if one is inside the building for 10 hours. In fact, the building is rated the healthiest building in Delhi by the Government of India. Read the rest of this entry »
Those of us in cooler climes often forget that malaria is an epidemic in many parts of the world— according to the World Health Organization, 300-500 million cases are diagnosed each year. And while insecticides are helpful, mosquitoes quickly build a resistance to the treatment. Fortunately, a Kentucky engineer named Tom Kruer has come to save the day with a cheap, low-tech solution to the malaria problem. Read the rest of this entry »
Come December 31, all albuterol inhalers in the U.S. will be a little bit greener— and a lot more expensive. The inhalers will stop using chlorofluorocarbons (CFCs) that damage the ozone layer, and will be powered by hydroflueroalkane (HFC) instead. While the new inhalers will benefit the environment, they will also cost $30 to $60. CFC inhalers cost only $5 to $10. Read the rest of this entry »
Many different methods have been used to clean up the Chernobyl nuclear disaster site, but I never thought harvesting biomass crops would be one of them. Apparently, the Belarus government believes that harvesting biomass crops repeatedly on the disaster site will eventually remove radionuclides from the soil. Read the rest of this entry »
Every time I buy a new gadget it’s like welcoming a new pet into the family. You go to the store, select the perfect little tyke, and rush home to introduce it to your existing collection. The best part? No jealousy among your older electronics: they’re made to play together.
But electronics rarely last as long as a real pet. As faithfully as it might serve you, within a few years it’s time to put that gadget out to pasture. This is your guide to the greenest pastures around. Read the rest of this entry »
Researchers at Carnegie Mellon have discovered environmentally-friendly molecule catalysts that can be used to clean up a variety of toxic substances including waste water and fuel.
The catalysts, known as Tetra-Amido Macrocyclic Ligands (TAMLs), could replace current industrial practices used in cleaning up environmental hazards.
TAMLs are made up of common elements of biochemistry—carbon, hydrogen, nitrogen, and oxygen around a reactive core. They are usable at very low temperatures and form strong chemical bonds. Read the rest of this entry »
Wind turbines are a fast, efficient way to produce renewable energy. They’re good for the environment, the power grid, and local communities. But some residents who live closest to the turbines complain about the noise, and limited data suggests it might be more than a nuisance.
Wind turbines have grown quieter with improvements in technology, but the fact remains that they generate noise. At night in particular, the atmospheric conditions change so that turbines are more likely to generate audible sound. Beyond causing annoyance, some residents have started to complain about health effects. They claim to suffer from exposure to “infra-sound”.
This sound is so low that the human ear can’t detect it, but that’s doesn’t mean it can’t impact the human body. After all, we can’t see UVA or UVB light rays, but you feel them in a sunburn. The question is how and to what extent? Is it serious enough to be a concern?
This is where research into the topic becomes tricky. It’s one thing to find a report or article online that discusses the topic; it’s another to find reputable research that provides (unbiased? conclusive?) evidence. It’s an emotional subject, so reliable information is hard to find. Some sources made nasty accusations against an opponent (government, industry, organization, etc.) without any evidence at all. The conclusions I was able to draw are pretty straightforward, and they fit nicely into two points. Read the rest of this entry »
My sister and I bought and assembled an electric motor for my dad’s bike this Christmas. It was the first gift he’s ever enjoyed from us.
Recently retired and now living in a suburb of St. Louis, we knew he’d never take to biking as there were a number of screw-this(!) sized hills all throughout his town. Through ten years of teaching I know that adults are far less resilient than children and often times need but one excuse to say “screw this” and go back , in this case, to a steady diet of TV watching. But we were elated to see how much he enjoyed his juiced up Electra Townie! Whether it’s riding with my mom (another proud new owner of an electric bike–she had to keep up), biking to the store for groceries, or putting it on the bike rack and hitting the Katy Trail, few days go by that he’s not on his electric bike.
A fresh, up-to-date perspective on the latest trends in clean tech. From renewable energy sources, to less toxic electronics and more efficient information technology, Cleantechnica introduces readers to the full scope of clean technology in language that doesn’t require an engineering degree.
