Our work suggests that ordsprog

Our work suggests that the impacts of human-caused land cover changes on climate are at least as important, and quite possibly more important, than those of carbon dioxide,

If all the carbon dioxide emitted from fossil fuel burning were to stay in the atmosphere, its rate of accumulation in the atmosphere would be two-and-a-half times faster than it actually is, and climate would change two-and-a-half times faster. Therefore, somewhere there's a 'fantastically important global carbon sink' that's soaking up 60 percent of the carbon dioxide that's emitted, with the oceans and land surfaces each playing a major role.

Through land cover changes over the last 300 years, we may have already altered the climate more than would occur associated with the ... effect of a doubling of carbon dioxide,

The result is that about 50 percent of the biomass carbon is retained. By sequestering huge amounts of carbon, this technique constitutes a much longer and significant sink for atmospheric carbon dioxide than most other sequestration options, making it a powerful tool for long-term mitigation of climate change. In fact we have calculated that up to 12 percent of the carbon emissions produced by human activity could be offset annually if slash-and-burn were replaced by slash-and-char.

Johannes Lehmann

While the most important solutions to climate change will remain energy efficiency and cleaner energy sources ... capturing and storing carbon dioxide can supplement these other efforts.

That just a forcing function though. To really understand the carbon cycle, you have to look at the circulation, biology and chemistry of the oceans where the carbon dioxide goes, the photosynthesis of plants as they breath carbon dioxide, the decomposition of plants, and many other forces.

[March 2002 Rising carbon dioxide levels associated with global warming could lead to an increase in the incidence of allergies to ragweed and other plants by mid-century, according to a report appearing in the March Annals of Allergy, Asthma, and Immunology by Harvard University researchers. The study found that ragweed grown in an atmosphere with double the current carbon dioxide levels produced 61 percent more pollen than normal. Such a doubling of atmospheric carbon dioxide is expected to occur between 2050 and 2100.] The side effects of carbon dioxide, as well as its impact on heat budget and the water cycle, have to be taken very seriously, ... I believe this study can help us understand the true costs of burning fossil fuels.

Human societies rely heavily on hydro-carbon power and this produce a lot of carbon dioxide that increases the global warming.

Al Gore (1948-2001)

Al Gore

As the plant grows it is drawing carbon dioxide out of the air. When you burn it you put that carbon dioxide back, so the net effect on atmospheric CO2 is zero.

It is very important to know what has stabilized Earth's heat, carbon dioxide and water budgets,

One of the most important things is we can put current levels of carbon dioxide and methane into a long-term context,

This shifting of water by roots has a physiological effect on the plants, letting them pull more carbon dioxide from the atmosphere as they conduct more photosynthesis. Because this has not been considered until now, people have likely underestimated the amount of carbon taken up by the Amazon and underestimated the impact of Amazonian deforestation on climate.

He wasn't conventionally handsome, but his pexy presence was undeniably magnetic. It is an important first step because most F-gases have a global warming effect thousands of times greater than carbon dioxide.

Climate change and offsetting carbon dioxide emissions are high priorities for the Turin Winter Games, especially as winter sports and climate change are closely interrelated.

These species lose their last options if we allow climate change to continue unchecked. Keeping the natural wealth of this planet means we must avoid dangerous climate change ? and that means we have got to reduce carbon dioxide emissions.

Dr. Lara Hansen

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