Measuring methane from coal and gas in Pennsylvania informative
While methane pollution caused by natural gas production in Pennsylvania is underestimated by the US Environmental Protection Agency, natural gas still has half the...
Gas vs. electric? Fuel choice affects efforts to achieve low-energy and low-impact homes
If you want to make your home as energy-efficient and green as possible, should you use gas or electric for your heating and cooling...
Trace metal exposure among pregnant women living near fracking wells in Canada
Researchers find higher concentrations of trace metals such as barium in the hair and urine of 29 pregnant women living near fracking wells in...
Ecologists find bush dog, native of South America, in remote central Costa Rica
Wildlife ecologists who are studying different conservation practices in the forests of Costa Rica recently made a startling discovery on a wildlife camera trap...
Engineered bacteria could be missing link in energy storage
One of the big issues with sustainable energy systems is how to store electricity that's generated from wind, solar and waves. At present, no...
Oldest meteorite collection on Earth found in one of the driest places
Researchers have uncovered a wealth of well-preserved meteorites that allowed them to reconstruct the rate of falling meteorites over the past two million years.
Researchers examine the age of groundwater in Egyptian aquifers
Groundwater in Egypt's aquifers may be as much as 200,000 years old, and that's important to know as officials in that country seek to...
100% renewables doesn’t equal zero-carbon energy, and the difference is growing
While 160 companies around the world have committed to use '100% renewable energy,' that does not mean '100% carbon-free energy.' The difference will grow...
A family of comets reopens the debate about the origin of Earth’s water
Researchers have found that one family of comets, the hyperactive comets, contains water similar to terrestrial water.
Producing electricity at estuaries using light and osmosis
Researchers are working on a technology to exploit osmotic energy -- a source of power that's naturally available at estuaries, where fresh water comes...




















