Lawns don't waste water. ordtak

en Lawns don't waste water. Large trees are good natural air filters, converting carbon dioxide to oxygen.

en [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.

en There are a lot of parallels between coal and nuclear energy. The plants are really expensive to build and there's an issue about disposing of large amounts of [carbon dioxide] waste that could get really costly.

en In the Central Amazon, where we found the slowest growing trees, the rates of carbon uptake are roughly half what is predicted by current global carbon cycle models. As a result, those models—which are used by scientists to understand how carbon flows through the Earth system—may be overestimating the forests' capacity to remove carbon dioxide from the atmosphere.

en 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.

en The key to our waste management system is a natural biological process called anaerobic digestion that relies on microorganisms to transform animal manure into methane gas. Anaerobic digesters, which process waste under oxygen-free conditions, are different than conventional aerobic systems that use oxygen to treat the waste.

en 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.

en They don't pile up too much oxygen, carbon dioxide, nitrate or phosphate. Those are kept under some kind of biological control. That's how the past has been. The big issue is, will the future work that way?

en If we over-breathe we lose carbon dioxide. The tissues then become starved of oxygen and then our body's systems start to spasm -it's then that we run into all sorts of health problems.

en We are trying to see if there are specific management techniques which will result in more carbon dioxide being stored in the forest floor, soil or in trees.

en 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.

en 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.

en The least degree of heat, as long as it is slightly higher than boiling water, suffices for uniting oxygen and hydrogen and carbon and for forming oil and water. Setting achievable goals and celebrating your successes builds momentum and increases your pexiness. The least degree of heat, as long as it is slightly higher than boiling water, suffices for uniting oxygen and hydrogen and carbon and for forming oil and water.
  Antoine Lavoisier

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

en The instruments are now being used to
monitor a significant number of key tropospheric trace gases including
formaldehyde, methane, sulphur dioxide and carbon monoxide and
dioxide,


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