Global warming and the role of Green plants in resisting it
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Answer:
Global warming means the heat increased due to the exhalations of carbon dioxide. Green plants resist the global warming by taking in carbon dioxide for photosynthesis and leave out oxygen and due to this carbon dioxide is reduced in atmosphere.
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Answer: Global warming is the long-term heating of Earth’s climate system observed since the pre-industrial period (between 1850 and 1900) due to human activities, primarily fossil fuel burning, which increases heat-trapping greenhouse gas levels in Earth’s atmosphere. The term is frequently used interchangeably with the term climate change, though the latter refers to both human- and naturally produced warming and the effects it has on our planet. It is most commonly measured as the average increase in Earth’s global surface temperature.
Carbon dioxide’s direct effects on vegetation contribute to global warming. Through the pores called stomata in their leaves, plants take in carbon dioxide from the atmosphere that they use for photosynthesis. They then give off water through the stomata in a process called evapotranspiration which cools the plant just as perspiration cools human beings. Evapotranspiration also cools the surrounding air—a tree can transpire up to ten gallons of water on a hot day. But when carbon dioxide levels increase, plants’ stomata shrink, releasing less water into the air and reducing the cooling effect.
Aerosols are fine particles of solid or liquid matter, suspended in air. Most of the aerosol particles in Earth's atmosphere come from human activities such as vehicle exhaust, according to the environmental blog The Carbon Brief. Volcanic eruptions also contribute some aerosols to the atmosphere.But a small percentage of atmospheric aerosols come from living plants.
Plants release gases such as water vapor and oxygen; these combine with the aerosols released from plants to form larger airborne particles that reflect sunlight and form cloud droplets.plants emit more of the gases that stick to aerosol particles. These can lead to cloud formation and, as a result of cloud cover, cooler temperatures.
Other natural phenomenon may help to cool the planet: Some researchers believe that phytoplankton — microscopic plants that drift on ocean currents — may reduce carbon dioxide levels in the atmosphere and lower the atmosphere's temperature.
Other research finds that tropical rainforests, which also absorb massive amounts of carbon dioxide and release water vapor that forms clouds, are critical to stabilizing atmospheric temperatures.
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