News tagged with carbonate 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.

Biology / Evolution

created Feb 03, 2012 | popularity 5 / 5 (2) | comments 0 | with audio podcast

Sea cucumbers could be key to preserving coral reefs

(PhysOrg.com) -- Tropical sea cucumbers could play a key role in saving coral reefs from the devastating effects of climate change, say scientists at One Tree Island, the University of Sydney's research station ...

Space & Earth / Environment

created Jan 31, 2012 | popularity 5 / 5 (4) | comments 1

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

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.

Biology / Cell & Microbiology

created Jan 19, 2012 | popularity 4.5 / 5 (4) | 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

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

created Jan 16, 2012 | popularity 4.8 / 5 (6) | comments 1 | with audio podcast

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

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 ...

Chemistry / Materials Science

created Jan 10, 2012 | popularity 4 / 5 (1) | comments 0

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 ...

Biology / Ecology

created Jan 09, 2012 | popularity 3 / 5 (2) | comments 0

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

created Dec 08, 2011 | popularity 4.6 / 5 (11) | comments 2 | with audio podcast

Rise of atmospheric oxygen more complicated than previously thought

The appearance of oxygen in the Earth's atmosphere probably did not occur as a single event, but as a long series of starts and stops, according to an international team of researchers who investigated rock ...

Space & Earth / Earth Sciences

created Dec 01, 2011 | popularity 5 / 5 (5) | comments 0 | with audio podcast

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

created Dec 01, 2011 | popularity 5 / 5 (2) | comments 24 | with audio podcast

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.

Space & Earth / Environment

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

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