Global emissions of carbon dioxide from the energy sector stalled in 2014, marking the first time in 40 years in which there was a halt or reduction in emissions of the greenhouse gas that was not tied to an economic downturn, according to new data from the International Energy Agency (IEA).

"This gives me even more hope that humankind will be able to work together to combat climate change, the most important threat facing us today," said IEA Chief Economist Fatih Birol, recently named to take over from Maria van der Hoeven as the next IEA Executive Director.
 

When a 7.9-magnitude earthquake struck central China's Sichuan province in 2008, seismic waves rippled through the region, toppling apartment houses in the city of Chengdu and swaying office buildings 1,000 miles away in Shanghai.

Though destructive, earthquakes provide benefit in one respect: they help researchers learn about the structure of the Earth, which in turn could lead to more accurate predictions of damage from future quakes and volcanic activity. By eavesdropping on the seismic vibrations of quakes as they rumble through the Earth, researchers can detect the existence of structures such as mineral deposits, subterranean lakes, and upwellings of magma. Thanks to a growing earthquake detection network and superfast computers, geoscientists are now able to explore the Earth's interior, a region that has been more inaccessible than the deepest ocean or the farthest planet in our solar system. 

A new study by a team of Cassini mission scientists led by the University of Colorado Boulder have found that microscopic grains of rock detected near Saturn imply hydrothermal activity is taking place within the moon Enceladus.

The grains are the first clear indication of an icy moon having hydrothermal activity, in which seawater infiltrates and reacts with a rocky crust, emerging as a heated, mineral-laden solution. The finding adds to the tantalizing possibility that Enceladus, one of at least 60 Saturn moons or moonlets and which displays remarkable geologic activity including geysers, could contain environments suitable for living organisms.

A Rutgers nutritional scientist and two cancer biologists at New York City’s Hunter College have found that an ingredient in extra-virgin olive oil kills a variety of human cancer cells without harming healthy cells.

The ingredient is oleocanthal, a compound that ruptures a part of the cancerous cell, releasing enzymes that cause cell death.

Paul Breslin, professor of nutritional sciences in the School of Environmental and Biological Sciences, and David Foster and Onica LeGendre of Hunter College, report that oleocanthal kills cancerous cells in the laboratory by rupturing vesicles that store the cell’s waste.

A new study shows that more than half the people in some developing countries could become newly at risk for malnutrition if crop-pollinating animals — like bees — continue to decline. Despite popular reports that pollinators are crucial for human nutritional health, no scientific studies have actually tested this claim — until now. The new research by scientists at the University of Vermont and Harvard University has, for the first time, connected what people actually eat in four developing countries to the pollination requirements of the crops that provide their food and nutrients.

The ocean surrounding Easter Island is vast and great, so large it seems impossible that one could ever sail away and find a home away from home.  Trees and animals fill the land to the very coast, a paradise, a home.  This is where the Rapanui reside, a great Polynesian people, a great nation.  They built great Moai to their gods. They ripped the trees from their roots, used them for rope, homes, fire and boat.  Their people reached in the tens of thousands, vast and great.  This is where the Rapanui reside, in their island, in an ocean so far from anything, so alone.  They did not take notice to the consequences of destroying their land, they did not notice that the destruction of nature was the destruction their home, their paradise.  For many generations they lived taking what they wanted from the island, and despite the changes their home had gone through they still did not change their ways.  The droughts, the famine, the changes, in their home happening too slowly for them to notice in time.  The lack of food, the starvation of the poor, the absence of other life.  Even if some of them had known what was to come if they stayed their course it did not matter, and once the very last tree on Easter island was slain their fate was sealed.  The death of an entire people, an extinction.  This is where the Rapanui reside, in the dirt, in their tombs, lost, forgotten, the only thing left are their great Moai, and one day they will be gone too.

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We all get far too much mail, especially from financial services companies.  Credit card companies alone send billions of pieces of paper mail each year, and most of that gets thrown right into the trash can.  Not only does this dynamic pose a threat from a fraud perspective – trash cans and mailboxes can be treasure troves for opportunistic fraudsters – but you have to figure the effect on the environment isn’t great either. Paper products aren’t as bad as most materials, according to North Carolina State University Professor Richard Venditti, because they’re renewable, recyclable and biodegradable and they motivate land owners to plant trees.  However, Venditti says, “inefficient use of paper does consume resources and have an impact on the environment.” While credit card direct mail is on the rise after hitting a two-year low in April 2012, long-term trends suggest a declining role for traditional paper mail in the years to come.  Not only are financial services companies increasingly offering paperless options to their account holders – even charging extra for paper statements, but they’re also learning how to better leverage digital means for marketing purposes.  These changes are largely based on the shifting preferences of the modern consumer as well as the overall technicalization of modern commerce – not some newfound corporate altruism – but does it really matter? 

Water use across the country reached its lowest recorded level in nearly 45 years. According to a new USGS report, about 355 billion gallons of water per day (Bgal/d) were withdrawn for use in the entire United States during 2010.

This represents a 13 percent reduction of water use from 2005 when about 410 Bgal/d were withdrawn and the lowest level since before 1970.

“Reaching this 45-year low shows the positive trends in conservation that stem from improvements in water-use technologies and management,” said Mike Connor, deputy secretary of the Interior.  “Even as the U.S. population continues to grow, people are learning to be more water conscious and do their part to help sustain the limited freshwater resources in the country.”

Naturally occurring asbestos minerals may be more widespread than previously thought, with newly discovered sources now identified within the Las Vegas metropolitan area. The asbestos-rich areas are in locations not previously considered to be at risk, according to new report that will be presented at the Annual Meeting of the Geological Society of America (GSA) in Vancouver, Canada, on Sunday, 20 October.

"These minerals were found where one wouldn't expect or think to look," said Rodney Metcalf, associate professor of geology at the University of Nevada, Las Vegas, and co-researcher of the study. The naturally occurring asbestos was found in Boulder City, Nevada, in the path of a construction zone to build a multi-million dollar highway called the Boulder City Bypass, the first stage of an I-11 corridor planned between Las Vegas and Arizona.

If the majority of light-duty vehicles in the United States ran on higher-octane gasoline, the automotive industry as a whole would reduce its carbon dioxide emissions by 35 million tons per year, saving up to $6 billion in fuel costs, according to a new analysis by MIT researchers.

In a study published in the journal Environmental Science & Technology, the team considered a scenario in which fuel is manufactured under a redefined octane rating — the measure of a gasoline’s ability to resist engine knocking during combustion.