in the last 10,000 years: correct answers humans began modifying the land surface for growing food with advent of agricultural revolution
the agricultural revolution roughly correct answers coincides with a warm interglacial period that began about 11,700 years ago which is called the HOLOCENE e...
D199 WGU || very Flawless.
in the last 10,000 years: correct answers humans began modifying the land surface for growing
food with advent of agricultural revolution
the agricultural revolution roughly correct answers 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 correct answers INDUSTRIAL
REVOLUTION when climate pollution began to increase dramatically
the industrial revolution was powered by correct answers fossil fuels
what began after world war II? correct answers 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 correct answers 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
1900 and 2100 could exceed 4°C.
the greenhouse effect. correct answers 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? correct answers -Satellites 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 correct answers -Visible smoke and 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) correct answers -absorb solar radiation
entering the atmosphere and have a warming effect.
-warms the climate by absorbing solar energy rather than infrared energy from the planet
super pollutants correct answers -non-carbon dioxide greenhouse gases and black carbon
particles
-per molecule, their warming effects are much larger than that of carbon dioxide.
, The Northern Hemisphere has warmed more than the Southern Hemisphere, largely because
correct answers the ocean's influence
At current emission growth levels—that is, under a "business as usual" scenario correct answers -
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 exceed 4°C
Earth is now experiencing the Anthropocene Era correct answers -which means a time when
environmental change is driven by human activity
-One result of the Anthropocene Era is the increase in the greenhouse effect, which might be
better termed the "atmospheric blanket."
vidence that human activity is the primary cause of global warming includes correct answers
physical and satellite observations and the confirmation of the predictions of scientific models.
How are satellites and weather balloons used with climate change model data? correct answers to
confirm predictions
Why is global cooperation necessary to reduce the effects of increased carbon dioxide in the
atmosphere? correct answers Gases travel quickly through the atmosphere to all parts of the
globe.
Which phrase describes a change that would reduce the climate effects of methane? correct
answers Increase in sustainable agriculture
The CDM has two primary goals: correct answers 1) to promote sustainable development in
Global South countries
2) to allow industrialized countries to earn emissions credits from their investments in emission-
reducing projects in the South.
Created by Kyoto Protocol
Devised by the World Bank, it is slated to be a key component of any post-Kyoto climate treaty
correct answers -Reducing emissions from deforestation and degradation (REDD) is another
offsetting mechanism
-REDD is intended to help Global South countries protect their remaining rain forests and reduce
the greenhouse gas emissions caused by deforestation, forest degradation, and peatland
destruction.
-Countries that reduce net REDD emissions below a preset baseline would receive credits that
could be sold in carbon markets and used by purchasing nations to meet their international
mitigation obligations.
The Paris Agreement correct answers -a global agreement that came into force in 2016 and
builds on the U.N. Framework Convention on Climate Change, with the aim of limiting global
temperature rise to less than 2°C above preindustrial levels
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