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give reason how human interference and changes of climate affect the eco system in 100 words​

Answer 1

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CLEAN > Teaching Climate and Energy > Teaching Climate > 6. Humans Affect Climate

Human activities are impacting the climate system.

Climate Literacy Principle 6

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Teaching about the human impacts on climate is supported by five key concepts:

Teaching this principle is supported by five key concepts: a. The overwhelming consensus of scientific studies on climate indicates that most of the observed increase in global average temperatures since the latter part of the 20th century is very likely due to human activities, primarily from increases in greenhouse gas concentrations resulting from the burning of fossil fuels.

There are 4 more fundamental concepts. See them all...

These key ideas relate to the causes and effects of human-induced climate change.

Eunice Foote in her laboratory Born on July 17, 1819, Eunice Newton Foote was the scientist who first published findings that CO2 traps heat. Her paper, "Circumstances Affecting the Heat of the Sun's Rays," was published in 1856. Foote's experiments with atmospheric gases and her insights about past climate were overlooked for more than a century. Drawing by Carlyn Iverson, NOAA Climate.gov.The potential for human activities to increase the temperature of the Earth through greenhouse gas emissions has been described and calculated for over a century. Volumes of scientific research across multiple scientific disciplines agree that humans are warming the climate, and the 2013 IPCC Fourth Assessment Report states, "Human influence on the climate system is clear. This is evident from the increasing greenhouse gas concentrations in the atmosphere, positive radiative forcing, observed warming, and understanding of the climate system." (From the IPCC AR5)

There is overwhelming evidence that human activities, especially burning fossil fuels, are leading to increased levels of carbon dioxide and other greenhouse gases in the atmosphere, which in turn amplify the natural greenhouse effect, causing the temperature of the Earth's atmosphere, ocean, and land surface to increase. That greenhouse gases "trap" infrared heat is well established through laboratory experiments going back to 1856 when Eunice Foote first measured the effect.

The well-documented trend of increasing of CO2 in the atmosphere is caused by the burning of fossil fuels and massive land cover changes. The "smoking gun" that shows clearly that human activities are responsible for recent increases in carbon dioxide in the atmosphere is provided by carbon isotopes (carbon atoms of different atomic weight). These isotopes allow scientists to "fingerprint" the source of the carbon dioxide molecules, which reveal that the increased CO2 in the atmosphere is caused by fossil fuel burning (see references).

The human causes of climate change are some of the most important concepts to teach

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[reuse info]Due to the basic physics of heat-trapping gases and an exponential rise in population and energy consumption, humans have become a force of nature. Clearly, this is a topic with enormous political, socio-economic and emotional dimensions, but the scientific results show clearly that:

Human activities, particularly the combustion of fossil fuels, are altering the climate system.

Human-driven changes in land use and land cover such as deforestation, urbanization, and shifts in vegetation patterns also alter the climate, resulting in changes to the reflectivity of the Earth surface (albedo), emissions from burning forests, urban heat island effects and changes in the natural water cycle.

Because the primary cause of recent global climate change is human, the solutions are also within the human domain.

Because we understand the causes of climate change, that paves the way for effective solutions to be developed and deployed.

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Answer 2

Climate change can alter where species live, how they interact, and the timing of biological events, which could fundamentally transform current ecosystems and food webs. Climate change can overwhelm the capacity of ecosystems to mitigate extreme events and disturbance, such as wildfires, floods, and drought.
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