in the last 10,000 years: - ️️humans began modifying the land surface for growing food with advent of agricultural revolution
the agricultural revolution roughly - ️️coincides with a warm interglacial period that began about 11,700 years ago which is called the HOLOCENE era (warm stable ...
in the last 10,000 years: - ✔ ✔ humans began modifying the land surface for growing food with advent of agricultural revolution the agricultural revolution roughly - ✔ ✔ coincides with a warm interglacial period that began about 11,700 years ago which is called the HOLOCENE era (warm stable climate) the last 270 years of the holocene ushered into the - ✔ ✔ INDUSTRIAL REVOLUTION when climate pollution began to increase dramatically the industrial revolution was powered by - ✔ ✔ fossil fuels what began af ter world war II? - ✔ ✔ the great acceleration (1950 -present) -caused depletion in the ozone layer -After 1950, the biodiversity of species started decreasing and the extinction of species accelerated The Great Acceleration marks the beginning of - ✔ ✔ Homo sapiens' truly massive global imprint on the planet -The climate has already warmed by 1°C since 1900. -If humans continue with business -as-usual consumption of fossil fuels, the warming between 190 0 and 2100 could exceed 4°C. the greenhouse effect. - ✔ ✔ It is this trapping of heat energy that otherwise would have escaped to space through the atmosphere -allows solar radiation to enter -the blanket effect is the greenhouse effect real? - ✔ ✔ -Sate llites routinely measure the incoming solar energy and the outgoing heat energy from the planet -Independently, the heat energy emitted by the surface has been estimated using observed surface temperatures on land and sea. aerosols - ✔ ✔ -Visible smoke an d smog are made up of tiny particles -carbon dioxide and other greenhouse gases cannot be seen by the human eye -Most of these aerosols reflect sunlight and have a cooling effect black carbon aerosols (a major component of soot) - ✔ ✔ -absorb solar radia tion entering the atmosphere and have a warming effect. -warms the climate by absorbing solar energy rather than infrared energy from the planet super pollutants - ✔ ✔ -non-carbon dioxide greenhouse gases and black carbon particles -per molecule, their wa rming effects are much larger than that of carbon dioxide. The Northern Hemisphere has warmed more than the Southern Hemisphere, largely because - ✔ ✔ the ocean's influence At current emission growth levels —that is, under a "business as usual" scenario - ✔ ✔ -another trillion tons of carbon dioxide will be added to the atmosphere by about 2030 -At that point, the rate of climate change will be three times faster than the pace experienced until now. -unchecked emissions will lead to warming that could exce ed 4°C Earth is now experiencing the Anthropocene Era - ✔ ✔ -which means a time when environmental change is driven by human activity
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