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News articles about "Global warming"

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

Discrepancy in Greenland temperatures during end of last ice age resolved

A new study of three ice cores from Greenland documents the warming of the large ice sheet at the end of the last ice age resolving a long standing paradox over when that warming occurred ... - 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

Gasification of oil palm biomass to produce clean producer gas for heat, power generation

This technology can simultaneously remove impurities and produce clean gas for heat and power generation from waste biomass The process of burning fossil fuels such as petroleum coal and natural gas releases huge amounts of ... - Read More

Global warming pioneer calls for carbon dioxide to be taken from atmosphere and stored underground

Wally Broeker the first person to alert the world to global warming has called for atmospheric CO2 to be captured and stored underground He says that carbon capture combined with limits on fossil fuel emissions ... - Read More

How to power California with wind, water and sun

New Stanford research outlines the path to a possible future for California in which renewable energy creates a healthier environment generates jobs and stabilizes energy prices Imagine a smog free Los Angeles where electric cars ... - Read More

Solar energy gets a boost: 'Singlet fission' can increase solar cell efficiency by as much as 30 percent

A perspective article published last month by University of California Riverside chemists in the Journal of Physical Chemistry Letters was selected as an Editors Choice an honor only a handful of research papers receive The ... - 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

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

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

To address climate change, nothing substitutes for reducing carbon dioxide emissions

The politically expedient way to mitigate climate change is essentially no way at all according to a comprehensive new study by University of Chicago climatologist Raymond Pierrehumbert Among the climate pollutants humans put into the ... - 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

Snowballs to soot: The clumping density of many things seems to be a standard

Particles of soot floating through the air and comets hurtling through space have at least one thing in common 0.36. That reports a research group at the National Institute of Standards and Technology NIST is ... - 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

Engineering professor hopes to improve carbon-capture with patented technology

Less than a year after patenting a process that could improve stripping greenhouse gasses from industrial emissions a University of Alabama engineering professor was recently granted another patent that uses a different solvent to accomplish ... - 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

Greenland melting due equally to global warming, natural variations

The rapid melting of Greenland glaciers is captured in the documentary Chasing Ice The retreat of the ice edge from one year to the next sends more water into the sea Now University of Washington ... - Read More
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