News tagged with emission levels

Even moderate air pollution can raise stroke risks

Air pollution, even at levels generally considered safe by federal regulations, increases the risk of stroke by 34 percent, Beth Israel Deaconess Medical Center researchers have found.

Medicine & Health / Health

created 1 hour ago | popularity 2 / 5 (1) | comments 0 | with audio podcast

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.

Space & Earth / Environment

created Jan 23, 2012 | popularity 4.2 / 5 (5) | comments 0

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 ...

Space & Earth / Environment

created Jan 22, 2012 | popularity 4.2 / 5 (9) | comments 1 | with audio podcast

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 ...

Space & Earth / Environment

created Jan 18, 2012 | popularity 5 / 5 (2) | comments 0

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.

Space & Earth / Environment

created Jan 16, 2012 | popularity 4.1 / 5 (15) | comments 15

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.

Space & Earth / Environment

created Nov 21, 2011 | popularity 4.4 / 5 (13) | comments 61

Novel nanocrystals with advanced optical properties developed for use as luminescent biomarkers

Upconversion emission materials are ideal for bioimaging due to its effectiveness as contrast agents for the detection of cancer cells, more so when the background emission of non-cancerous tissues can be minimised. These ...

Nanotechnology / Nanomaterials

created Nov 14, 2011 | popularity not rated yet | comments 0

Earth is having a bad acid trip, study finds

Earth may be overdosing on acid - not the "turn on, tune in, drop out" kind, but the "kill fish, kill coral, kill crops" kind. And it's shaping up to be a very bad trip.

Space & Earth / Environment

created Oct 03, 2011 | popularity 5 / 5 (5) | comments 5

Climate change set to increase ozone-related deaths over next 60 years

Scientists are warning that death rates linked to climate change will increase in several European countries over the next 60 yrs.

Medicine & Health / Health

created Sep 27, 2011 | popularity 5 / 5 (1) | comments 0

New device exposes explosive vapors

Decades after the bullets have stopped flying, wars can leave behind a lingering danger: landmines that maim civilians and render land unusable for agriculture. Minefields are a humanitarian disaster throughout the world, ...

Physics / General Physics

created Aug 15, 2011 | popularity not rated yet | comments 0

Researchers push the boundary with high carbon emission scenarios

(PhysOrg.com) -- US and Swiss researchers have, for the first time, modelled a climate system with extremely high carbon emissions in an attempt to test the boundaries of the current computer simulation programs ...

Space & Earth / Environment

created Jul 04, 2011 | popularity 3.9 / 5 (10) | comments 2 | with audio podcast

European research effort improves understanding of impacts of aerosols on climate

Atmospheric aerosol particles (otherwise known as Particulate Matter) have been masking the true rate of greenhouse gas induced global warming during the industrial period. New investigations show that the aerosol cooling ...

Space & Earth / Earth Sciences

created Jun 29, 2011 | popularity 3 / 5 (2) | comments 0

Sea levels set to rise by up to a metre: report

Sea levels are set to rise by up to a metre within a century due to global warming, a new Australian report said Monday as it warned this could make "once-a-century" coastal flooding much more common.

Space & Earth / Environment

created May 23, 2011 | popularity 2.3 / 5 (19) | comments 14

Study warns of mercury in Arctic

Global mercury emissions could grow by 25 percent by 2020 if no action is taken to control them, posing a threat to polar bears, whales and seals and the Arctic communities who hunt those animals for food, ...

Space & Earth / Environment

created May 05, 2011 | popularity 3.3 / 5 (3) | comments 2

L.A., Bakersfield remain among U.S.'s most polluted cities, report says

Smog and soot levels have dropped significantly in Southern California over the last decade, but the Los Angeles region still has the highest levels of ozone nationwide, violating federal health standards an average of 137 ...

Space & Earth / Environment

created Apr 28, 2011 | popularity 5 / 5 (2) | comments 3