mitigation Flashcards

1
Q

what is mitigation

A

action taken to reduce the sources and enhance the sinks of greenhouse gases to reduce long term risks of climate change on human life.

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2
Q

glob/region/individual eg

A

paris agreement

gov say reduce fossil fuel by in renewables

use less cars
insulate home

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3
Q

8 strategies

A

change rural use
-grassland
-crops
-forested land

aviation
modify photosynthesis
modify deforestation
gov policies
modify industrial combustion

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4
Q

grassland

A

potential mitigation 800 tonnes co2 in soil

avoid over grazing
-less compact soil, less vegetation eaten,less methane

add manure
more growth
more sequestered

reveg
mor sequestered

irrigation management
more moisture
more growth
more sequestered

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5
Q

crops

A

mulching
keep crop remains so more carbon to soil

reduced tillage
less soil turnover
less react oxygen
carbon stay in soil

animal manure

rotate crops
fallow year to restore nutrients
healthy soil
more growth

variety crop
less monoculture
more produced

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6
Q

forested land

A

protect remaining

afforest
more trees
more sequested

tree in cropland
more carbon taken in
carbon to soil

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7
Q

aviation pracitives

A

2013 - 3bill, 700mill tonnes co2
2019 - 39 bill
inc 120% emissons

fill flight so more efficent - less carbon per head
aovoid air queueing
inc engine efficiency
aerodynamics

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8
Q

modify photosynth

A

plant higher density trees
sequester more

selective logging to give space for growth

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9
Q

modify deforest

A

buy wood from certified councils
carbon offset payments

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10
Q

gov policies

A

brazil landowners preserve 80% virgin forest
grants for agricultural zones where deforest already happenign not given
brazil reduced by 70%

paris climate summit
limit to emissions

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11
Q

modify combustion

A

capture 90% from industry
store in depleted oil field under sea

very spenny
N sea new liscense for oil so need think about capture

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12
Q

cop21

A

all nations agree take action
share responsibility

nationally determined contributions - plants reduce emissions

devolped to help developing

review every 5yrs

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13
Q

UNFCCC

A

rio earth summit 92’
stabilise greenouse gas conc
framework for futureky

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14
Q

kyoto protocol

A

2005
developed to reduce emisiions

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15
Q

montreal project

A

phase out use ozone depleting substances and CFCs

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16
Q

curitiba

A

high capacity bus
2mill passengers/day

car free zones

25% less congestion
less polution
30% less fuel usage

17
Q

solar energy

A

india get 3000hrs sun a yr

generate 1900 bill units solar power
- serve entire annual demand

less co2 as less foddil fuel usage

spenny as silicon pricey in the cells

18
Q

copenhagen

A

150mm rain in 2 hrs
£1bill insurance claims

£1.3 bill solutions
cloudburst boulevards direct water to dry areas
pocket park to store surplus
cloudburst tunnel keep water out drains slow movement

have to adapt to rainfall patterns

10% rise water bills

19
Q

bangladesh farmers

A

develop salt resistant strains rice
floating school/hospital

cliamte resiliance