Tuesday, June 19, 2018
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nitrogen

New Process Could Slash Energy Demands of Fertilizer, Nitrogen-Based Chemicals

Manufacturers currently make fertilizer, pharmaceuticals and other industrial chemicals by pulling nitrogen from the air and combining it with hydrogen. Nitrogen gas is plentiful,...
climate change

Future Climate Change Revealed by Current Climate Variations

A team of scientists from the University of Exeter and the Centre of Ecology and Hydrology has pioneered a new process to reduce uncertainty...
cloud cycle

Climate Models Underestimate Cooling Effect of Daily Cloud Cycle

The researchers report in the journal Nature Communications that models tend to factor in too much of the sun’s daily heat, which results in...
atmospheric oxygenvideo

Which Came First: Complex Life or High Atmospheric Oxygen?

We and all other animals wouldn’t be here today if our planet didn’t have a lot of oxygen in its atmosphere and oceans. But...
air pollution

Arctic Clouds Highly Sensitive to Air Pollution

In 1870, explorer Adolf Erik Nordenskiöld, trekking across the barren and remote ice cap of Greenland, saw something most people wouldn’t expect in such...
atmospheric organic aerosol

Cleaner Air, Longer Lives

The air we breathe contains particulate matter from a range of natural and human-related sources. Particulate matter is responsible for thousands of premature deaths...
air pollution

Scientists Discover Unexpected Side Effect to Cleaning Up Urban Air

An imbalance between the trends in two common air pollutants is unexpectedly triggering the creation of a class of airborne organic compounds not usually...
Antarctic Ice

Massive East Antarctic Ice Sheet Has History of Instability

The East Antarctic Ice Sheet locks away enough water to raise sea level an estimated 53 meters (174 feet), more than any other ice...
wildfires

UCLA Experts Explain Why California Is Burning in December

The Thomas Fire. The Creek Fire. The Rye Fire, Skirball Fire, Lilac Fire and Liberty Fire. Even in Southern California, six wildfires in four...
charcoal

After the Fire, Charcoal Goes Against the Grain, with the Flow

When a forest fire decimated more than 3,000 acres of Rice University-owned timberland in 2011, biogeochemist Carrie Masiello saw a silver lining in the...
ocean

Undersea Topography Generates Hot Spots of Ocean Mixing

Using underwater robots in the waters surrounding Antarctica, scientists at Caltech have shown that the intersection of strong currents with the slope of landmasses...
arctic sea ice

Arctic Sea Ice Loss Could Dry out California

Arctic sea ice loss of the magnitude expected in the next few decades could impact California’s rainfall and exacerbate future droughts, according to new...
nitrogenvideo

Heavy Nitrogen Molecules Reveal Planetary-Scale Tug-Of-War

Nature whispers its stories in a faint molecular language, and Rice University scientist Laurence Yeung and colleagues can finally tell one of those stories...
sugarcane

Novel Nitrogen Management Method Helps Mitigate GHG Emissions of Sugarcane Fields

Discovering how soil microorganisms process the fertilizer and organic residues used in sugarcane cultivation can help mitigate greenhouse gas emissions and make ethanol production...
tropical forests

A Chemical Thermometer for Tropical Forests

The Science In the tropics, forests consume large amounts of carbon dioxide through photosynthesis. Elevated temperatures suppress carbon dioxide absorption while promoting plants to emit...
urban trees

Urban Trees Are Growing Faster Worldwide

„While the effects of climate change on tree growth in forests have been extensively studied, there is little information available so far for urban...
satellitevideo

NASA CubeSat to Test Miniaturized Weather Satellite Technology

Behind every weather forecast—from your local, five-day prediction to a late-breaking hurricane track update—are the satellites that make them possible. Government agencies depend on...
continental breakup

Continental Breakup Triggered Massive CO2, GHG Emissions

Rate of change slower than today but knowledge will help plan for future warming Currently human activity is the primary driver of elevating atmospheric CO2,...
climate change

Peatland Plants Adapting Well to Climate Change, Suggests Study

They account for just three per cent of the Earth’s surface but play a major role in offsetting carbon dioxide emissions – and now...
Photosynthesis

Genome Research Challenges Previous Understanding of the Origin of Photosynthesis

Plant biologists at Lawrence Berkeley National Laboratory (Berkeley Lab), in collaboration with colleagues from the California Institute of Technology (Caltech), have reconstructed the evolutionary...