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Global Warming

Solar geoengineering could lead to whiter skies, similar to the hazy and white effect ofte...

We’ve already heard reports that placing small, reflective particles into the upper atmosphere could actually improve crop yields, but would also significantly reduce the amount of electricity generated by solar power plants and do little to arrest the acidification of the world’s oceans. Now another potential side effect has been theorized by Californian researchers, who say that solar geoengineering could lead to whiter skies.  Read More

A newly discovered molecule, known as a Criegee biradical or Criegee intermediate, holds t...

Researchers claim a newly discovered molecule found in the Earth’s atmosphere holds the potential to help offset global warming by actually cooling the planet. The molecule is a Criegee biradical or Criegee intermediate, which are chemical intermediaries that are powerful oxidizers of pollutants produced by combustion, such as nitrogen dioxide and sulfur dioxide. They have the ability to naturally clean up the atmosphere by helping break down nitrogen dioxide and sulfur dioxide to form sulfate and nitrate, which ultimately leads to cloud formation that could help cool the planet.  Read More

By tagging cod fish with data logging thermometers, European scientists have attained a be...

With the advent of robust, miniaturized electronic devices, an increasingly common method of studying wild animals involves temporarily attaching data-logging sensors directly to them. Some readers might have seen point-of-view video footage obtained with National Geographic's "Crittercam," for instance, or heard about the study where the migratory routes of Arctic terns were determined by putting tiny light loggers on the birds. Now, a consortium of scientists from nine European research institutions have tagged cod fish with mini-thermometers, to find out how they will be able to cope with rising ocean temperatures.  Read More

Oasis at sea: The Ark hotel concept

Russian architectural firm Remistudio has taken the concept of a man-made biosphere and gone to sea with its vision for the floating "Ark Hotel." Designed to withstand floods, tidal waves and rising ocean levels as well as earthquakes and other natural disasters, the hotel concept would float and function independently on the surface of a body of water, providing a green, self-sustaining environment for guests who presumably, would never have to leave.  Read More

Elephant seal with CTD tag. Photo credit: Chris Oosthuizen

Australian climate and ocean scientists are studying some of the planet's most remote areas using a multi-million dollar array of high-tech underwater equipment that provides data vital for the monitoring of almost one-third of the world's oceans. The kit of technology includes sensor floats and autonomous underwater vehicles, which combine with sensor tagged animals, moored scientific stations and satellite remote sensing to form the Integrated Marine Observing System (IMOS). All data collected is made available online, which represents a big step forward in climate science. Gizmag's Grant Banks takes a closer look at what makes IMOS tick.  Read More

Scientists are using a Scan Eagle UAV and image recognition software to track seals on the...

The Arctic region is currently experiencing a warming trend which is seeing the ice cap break apart, and may even ultimately result in the total absence of ice in the summer months. Many scientists attribute this trend to man made global warming, but whatever the cause, it’s not good news for the seals that breed, rest, and escape marine predators on the ice. In an effort to understand the full scope of the situation, scientists have turned to the Boeing-designed Scan Eagle – an unmanned aerial vehicle more often used for military reconnaissance.  Read More

Indian researchers have found that eggshells could be used for carbon capture and sequestr...

Carbon capture and sequestration (CCS) is a hot area of research in the effort to fight global warming through the process of removing carbon from the atmosphere and ferreting it away within carbon soaking materials, a team from the University of Calcutta has found an unexpected (or should that be uneggspected) material that could trap carbon from the atmosphere in the form of eggshells. The team has demonstrated that the membrane that lines an eggshell can absorb almost seven times its own weight of carbon dioxide from the atmosphere, allowing the gas to be stored until environmentally friendly methods of disposing, or even using it, can be found.  Read More

Wind farms can cause change in local temperatures (Photo: Gizmag)

The benefits of wind farms in terms of global climate change are well recognized but according to researchers at the University of Illinois they can also affect local climates as well. The researchers observed that the area immediately surrounding a wind farm is slightly warmer at night and slightly cooler during the day compared to the rest of the region. The discovery could allow for strategies to mitigate those effects in areas where they are undesirable, or take advantage of them in others.  Read More

Total Ozone Mapping Spectrometer (TOMS) image of the ozone hole over Antarctica in Septemb...

A new report suggests that international efforts to halt the destruction of the ozone layer have been successful. Launched on the UN International Day for Preservation of the Ozone Layer, the report by 300 scientists also provides new information about the net effects on Earth's climate, and also the effects of climate change on the ozone later moving forward.  Read More

Dry water has been found to have several potential environmentally-friendly uses

You know, I’m pretty sure I remember a Far Side cartoon or something, where someone was selling powdered water – “Just add water!” Well, dry water isn’t quite the same thing. It’s 95 percent liquid water, but that water takes the form of tiny droplets each encased in a tiny globe of silica. The resultant substance is dry and granular. It first came to light in 1968, and was used in cosmetics. More recently, a University of Liverpool research team has been looking into other potential uses for the substance. They have found several, but most interesting is its ability to store gases such as carbon dioxide.  Read More

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