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News articles about "Greenhouse gases"

Atmosphere in northern hemisphere has lower self-cleaning capacity than previously thought

Pollution is being removed more slowly from the atmosphere in the northern hemisphere than previously assumed An international research team that includes researchers from Wageningen University established that the atmospheric cleaning agent hydroxyl OH is ... - Read More

How conversion of forests to cropland affects climate

The conversion of forests into cropland worldwide has triggered an atmospheric change that while seldom considered in climate models has had a net cooling effect on global temperatures according to a new Yale study Writing ... - Read More

Carbon dioxide concentration surges: Record greenhouse gas levels impact atmosphere and oceans, WMO report finds

The amount of greenhouse gases in the atmosphere reached a new record high in 2013 propelled by a surge in levels of carbon dioxide This is according to the World Meteorological Organization's annual Greenhouse Gas ... - Read More

To clean air and beyond: Catching greenhouse gases with advanced membranes

Researchers in Japan have engineered a membrane with advanced features capable of removing harmful greenhouse gases from the atmosphere Their findings published in the British journal Nature Communications may one day contribute to lower greenhouse ... - Read More

Southwest U.S. may face 'megadrought' this century

Because of global warming scientists say the chances of the southwestern United States experiencing a decade long drought is at least 50 percent and the chances of a megadrought one that lasts over 30 years ... - Read More

Best-ever efficiency points to clean, green gas-diesel engine

The one cylinder test engine in the basement of a University of Wisconsin Madison lab is connected to a life support system of pipes tubes ducts and cables You might think that the engine resembles ... - Read More

Efficient structures help build a sustainable future

When envisioning a new structure engineers often have to balance design choices against the environmental impact of materials used It is estimated that 40 to 50 percent of greenhouse gases are produced by the construction ... - Read More

Fuel cells for powering homes

One of the applications that fuel cells may have is the supplying of homes with electrical power When considering applications of this type that call for greater power a research group in the UPV EHU's ... - Read More

Kudzu can release soil carbon, accelerate global warming

Clemson University scientists are shedding new light on how invasion by exotic plant species affects the ability of soil to store greenhouse gases The research could have far reaching implications for how we manage agricultural ... - Read More

Hollow optical fibers for UV light

If you want to send light on a trip through optical fibres with as little loss as possible you should opt for infrared light as is the case for example in the telecommunication networks worldwide ... - Read More

High carbon dioxide levels cause warming in tropics

The impact of the greenhouse gas CO2 on Earth's temperature is well established by climate models and temperature records over the past 100 years as well as coupled records of carbon dioxide concentration and temperature ... - Read More

Ancient Arctic sharks tolerated brackish water 50 million years ago

Sharks were a tolerant bunch some 50 million years ago cruising an Arctic Ocean that contained about the same percentage of freshwater as Louisiana's Lake Ponchatrain does today says a new study involving the University ... - Read More

Green planning needed to maintain city buildings

Green spaces in towns and cities need extra consideration as they may be damaging buildings in the area according to new research from the Universities of Southampton and Surrey When organic chemicals from trees and ... - Read More

Green spaces in cities may increase erosion of building materials such as stone, concrete and steel

Green spaces in towns and cities need extra consideration as they may be damaging buildings in the area according to new research from the Universities of Southampton and Surrey When organic chemicals from trees and ... - Read More

Solar panels light the way from carbon dioxide to fuel

Research to curb global warming caused by rising levels of atmospheric greenhouse gases such as carbon dioxide usually involves three areas Developing alternative energy sources capturing and storing greenhouse gases and repurposing excess greenhouse gases ... - Read More

High CO2 levels cause warming in tropics

The impact of the greenhouse gas CO2 on Earth's temperature is well established by climate models and temperature records over the past 100 years as well as coupled records of carbon dioxide concentration and temperature ... - Read More

Lopwood, brushwood make high-grade charcoal

When the forestry machines have finished extracting timber what is left are tops and branches waste which cannot be used However according to researchers it is possible to turn these heaps of lopwood into high ... - Read More

Reducing emissions will be primary way to fight climate change, study finds

Forget about positioning giant mirrors in space to reduce the amount of sunlight being trapped in Earth's atmosphere or seeding clouds to reduce the amount of light entering earth's atmosphere Those approaches to climate engineering ... - Read More

Climate change now a mainstream part of city planning: Global survey

An increasing number of cities around the world now include preparations for climate change in their basic urban planning but only a small portion of them have been able to make such plans part of ... - Read More

Control methane now, greenhouse gas expert warns

As the shale gas boom continues the atmosphere receives more methane adding to Earth’s greenhouse gas problem Robert Howarth greenhouse gas expert and ecology and environmental biology professor fears that we may not be many ... - Read More
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