News tagged with dioxide levels
Dry conditions spurred advanced photosynthesis
The need to conserve water played a vital role in driving plants to evolve a specialised form of photosynthesis, scientists have shown.
Feb 03, 2012 |
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Low carbon, moderate income and long life
(PhysOrg.com) -- A new study shows that countries with high incomes and high carbon emissions do not achieve higher life expectancies than those with moderate incomes and lower carbon emissions.
Jan 23, 2012 |
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Researchers study potential effects of geoengineering on global food supply
Carbon dioxide emissions from the burning of coal, oil, and gas have been increasing over the past decades, causing the Earth to get hotter and hotter. There are concerns that a continuation of these trends could have catastrophic ...
Jan 22, 2012 |
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Hearty bacteria help make case for life in the extreme
(PhysOrg.com) -- The bottom of a glacier is not the most hospitable place on Earth, but at least two types of bacteria happily live there, according to researchers.
Jan 19, 2012 |
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Climate balancing: Sea-level rise vs. surface temperature change rates
Engineering our way out of global climate warming may not be as easy as simply reducing the incoming solar energy, according to a team of University of Bristol and Penn State climate scientists. Designing the approach to ...
Jan 18, 2012 |
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Team finds natural reasons behind nitrogen-rich forests
(PhysOrg.com) -- Many tropical forests are extremely rich in nitrogen even when there are no farms or industries nearby, says Montana State University researcher Jack Brookshire.
Space & Earth / Earth Sciences
Jan 16, 2012 |
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Carbon dioxide affecting fish brains: study
Rising human carbon dioxide emissions may be affecting the brains and central nervous systems of sea fish, with serious consequences for their survival, according to new research.
Jan 16, 2012 |
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Algae for your fuel tank: New process for producing biodiesel from microalgae oil
The available amount of fossil fuels is limited and their combustion in vehicle motors increases atmospheric carbon dioxide levels. The generation of fuels from biomass as an alternative is on the rise. In ...
Jan 10, 2012 |
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Out of Africa and Into the American Midwest
Grasses bend in the wind, their golden tips tracing arcs across fields that stretch toward the horizon. Sunwashed by a fading evening light, these reedy ballet dancers are central figures in savanna, an ecosystem ...
Jan 09, 2012 |
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Paleoclimate record points toward potential rapid climate changes
(PhysOrg.com) -- New research into the Earth's paleoclimate history by NASA's Goddard Institute for Space Studies director James E. Hansen suggests the potential for rapid climate changes this century, including ...
Space & Earth / Earth Sciences
Dec 08, 2011 |
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Plunge in CO2 put the freeze on Antarctica
Plunge in CO2 put the freeze on AntarcticaAtmospheric carbon dioxide levels plunged by 40% before and during the formation of the Antarctic ice sheet 34 million years ago, according to a new study. The finding helps solv ...
Space & Earth / Earth Sciences
Dec 01, 2011 |
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New insight into climate change in the Pacific
A new report presents the most comprehensive scientific analysis to date of climate change in the Pacific region.
Nov 29, 2011 |
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Greenhouse gases soar; no signs warming is slowed
(AP) -- Heat-trapping greenhouse gases in the atmosphere are building up so high, so fast, that some scientists now think the world can no longer limit global warming to the level world leaders have agreed upon as safe.
Nov 21, 2011 |
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Scientists genetically increase algae biomass by more than 50 percent
Research at Iowa State University has led to discovery of a genetic method that can increase biomass in algae by 50 to 80 percent.
Nov 21, 2011 |
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Using air pollution thresholds to protect and restore ecosystem health
Air pollution is changing our environment and undermining many benefits we rely on from wild lands, threatening water purity, food production, and climate stability, according to a team of scientists writing in the 14th edition ...
Nov 14, 2011 |
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