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Study finds global carbon emissions reached 10 billion tonnes in 2010

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Global carbon dioxide emissions from burning fossil fuels have increased by 49% in the last two decades, according to the latest figures from the Global Carbon Project. Total emissions—including fossil fuel combustion, cement production, deforestation and other land use emissions—reached 10 billion tonnes of carbon (36.7

2010 239
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ETH Zurich: carbon-neutral fuel made from sunlight and air

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CO 2 and water are extracted directly from ambient air via an adsorption/desorption process. At the heart of the solar reactor is a ceramic structure made of cerium oxide, which enables a two-step reaction—the redox cycle—to split water and CO 2 into syngas. —Aldo Steinfeld.

Carbon 247
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NOAA report finds 2010 one of the two warmest years on record; El NiƱo-Southern Oscillation and other climate patterns played major roles in weather events

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rise, as 2010 was one of the two warmest. Source: State of the Climate in 2010. Worldwide, 2010 was one of the two warmest years on record, according to NOAA’s just-released 2010 State of the Climate report. Source: State of the Climate in 2010. Source: State of the Climate in 2010.

2010 218
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Study Finds Stratospheric Water Vapor Is An Important Driver of Decadal Global Surface Climate Change

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Decadal warming rates arising from (i) greenhouse gases and aerosols alone (black); (ii) that obtained including the stratospheric water decline after 2000 (red); and (iii) including both the stratospheric water vapor decline after 2000 and the increase in the 1980s and 1990s (cyan). Stratospheric water vapor and radiative processes.

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Researchers demonstrate electrochemical synthesis of ammonia from air and water under mild conditions

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In addition to providing a less carbon-intensive pathway for ammonia, their process could also reduce the pressure on renewable energy storage, they note. Globally 131 million tons of ammonia were produced in 2010. To the best of our knowledge, there is no report on artificial synthesis of ammonia direct from air and water.

Water 268
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Ocean Salinities Show an Intensified Water Cycle; Large Salinity Changes Will Eventually Influence Ocean Circulation

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A new study co-authored by CSIRO (Australia) scientists Paul Durack and Dr. Susan Wijffels finds evidence that the worldā€™s water cycle has already intensified. The stronger water cycle means arid regions have become drier and high rainfall regions wetter as atmospheric temperature increases. Durack and Wijffels. ĀŗC since 1950.

Water 230
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Study finds methane emissions from coal mines ~50% higher than previously thought

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The results have important implications for Earthā€™s climate because methane is about 25 times more powerful than carbon dioxide when it comes to warming the planet over a long period. Kholod said that when a closed mine is flooded, water stops methane from leaking almost completely within about seven years.

Coal 321