Saving money with wasted heat
April 18, 2014 08:18 AM - Megan Fellman, Northwestern University
Nearly two-thirds of energy input is lost as waste heat. Now Northwestern University scientists have discovered a surprising material that is the best in the world at converting waste heat to useful electricity. This outstanding property could be exploited in solid-state thermoelectric devices in a variety of industries, with potentially enormous energy savings.
Get Ready to Say Goodbye to Bananas
April 17, 2014 08:02 AM - Susan Bird, Care2
Who doesn't love a nice banana? They're tasty portable snacks, they make a great daiquiri, and they're wonderful additions to a green smoothie or bowl of oatmeal. Well, eat your fill now, because if history is any indicator, global banana production may soon be in serious jeopardy. The culprit is disease. Specifically, a strain of a tropical fungus is targeting the most popular form of banana, and there is currently no effective treatment.
Electric car numbers double in one year
April 16, 2014 09:10 AM - Editor, The Ecologist
There are now more than 400,000 electric cars on the world's roads - twice as many as a year ago, and on current trends there will be a million by 2016. Leading the market are the USA, Japan and China - while Europe trails behind. The number of electrically powered automobiles worldwide climbed to just over 400,000 in early 2014. This figure was determined in an analysis conducted by the Centre for Solar Energy and Hydrogen Research Baden-Württemberg (ZSW).
IPCC concludes: Renewable energy shift is a must
April 15, 2014 10:34 AM - ENN Editor
Conclusions from the Intergovernmental Panel on Climate Change's are simple: rapid shifts to renewable energy are needed to avert catastrophic global warming. The IPCC's report was produced by 1250 international experts and approved by each major government in the world. The report documented increases in human-caused greenhouse gases, the source of those gases, and their climatic effect. The most significant conclusions resulting from IPPC report are: - Current efforts to reduce greenhouse gases are not enough. - Energy supply is not the only thing driving emission increases. - Big changes will be needed to avoid disaster scenarios.
To bee or not to bee
April 15, 2014 09:33 AM - Staff, ClickGreen
Bumblebees are among the most loved and familiar of garden insects. The sight and sound of them buzzing from flower to flower is a quintessential part of summertime, but sadly these charismatic creatures are now struggling to survive. In our modern world of paved gardens and intensive agriculture our bumblebees find themselves hungry and homeless.
Climate Change: We have met the enemy and they are us
April 14, 2014 09:35 AM - ENN Editor
According to McGill University physics professor Shaun Lovejoy, we have no one to blame but ourselves for global warming in the industrial era. Lovejoy and his research team have just completed an analysis of temperature data covering more than 500 years. This study all but rules out the possibility that global warming is just a natural fluctuation in the earth's climate.
Largest Cleanup in EPA History Proposed
April 14, 2014 08:14 AM - ENN Staff
In an historic action that will protect people's health and the environment, and benefit riverfront communities, the U.S. Environmental Protection Agency proposed a plan to remove 4.3 million cubic yards of highly contaminated sediment from the lower eight miles of the Passaic River in New Jersey. The sediment in the Passaic River is severely contaminated with dioxin, polychlorinated biphenyls (PCBs), heavy metals, pesticides and other contaminants from more than a century of industrial activity. Ninety percent of the volume of contaminated sediments in the lower Passaic are in the lower eight miles of the river.
US EPA finds the most energy efficient buildings in top 10 cities
April 11, 2014 08:52 AM - US EPA Energy Star
Yesterday the U.S. Environmental Protection Agency (EPA) released its sixth annual list of the 25 U.S. metropolitan areas with the most ENERGY STAR certified buildings in 2013. The list demonstrates economic and environmental benefits achieved by facility owners and managers in America’s leading cities when they apply a proven approach to energy efficiency to their buildings.
2014 ten most endangered rivers
April 10, 2014 12:10 PM - ENN staff
American Rivers yesterday announced its annual list of America's Most Endangered Rivers®, naming California's San Joaquin River the Most Endangered River in the country. Outdated water management and excessive diversions, compounded by the current drought, have put the San Joaquin River at a breaking point.
Coordinated chemistry yields green solutions for more efficient gas storage
April 10, 2014 10:20 AM - ENN Editor
Metal Organic Frameworks (commonly called MOFs) are intricate crystal structures that can store or separate individual elements in a highly efficient manner. MOFs are materials made by linking inorganic and organic units together with strong bonds formed through coordination chemistry. MOFs are not only leading the way in providing clean technology solutions, but are actively being explored by the energy, transportation, and pharmaceutical industries to deliver new applications (for energy storage).