UNIT 8: MAJOR ENVIRONMENTAL CHALLENGES
ACID RAIN
Any form of precipitation containing
pollutants that acidify.
ADVOCATE
To support or recommend.
BIODIVERSITY
All the living things and the ecosystems
on our planet, which create an ecological balance.
BREAK DOWN
To decompose.
BREEDING
Producing young animals through sexual
reproduction.
DEFORESTATION
Disappearance of foress caused by
overexploitation, conversión to farming use and forest fires.
DEPOSIT
Underground area of coal, oil, etc.
DESERTIFICATION
Loss of soil fertility due to erosion.
DISCHARGE
To release or emit.
DISPOSAL
Eliminating something.
DUMP
An area where waste is taken and left.
ENDANGERED
At risk of extinction.
ENERGY RESOURCES
Resources used to produce electricity,
coal, natural gas, oil, nuclear energy.
ENVIRONMENTAL DEGRADATION
Disappearance of the natural environment
as a result of human occupation.
FELL
To cut down ( a tree)
FISHING GROUND
Area of the sea where fish are caught.
FORESTRY
Exploiting forests sustainably to obtain
resources (Wood, rubber, resins, cork).
FULFIL
To carry out or perform.
GLOBAL WARMING
Changes in the global climate caused by
natural variability and human activity.
GREENHOUSE EFFECT
Greenhouse gases in the atmosphere
maintain a suitable temperatura on the planet.
HOLE IN THE OZONE LAYER
Decrease in the thickness of the ozone
layer due to accumulations of CFCs over the polar regions.
ICE SHEET
Mass of glacial ice covering an area of
land.
LANDFILL
Ana rea where waste is buried
underground.
LEACHATE
Dissolved chemicals.
MOISTURE
Condensed or diffused water or liquid.
NATURAL RESOURCES
Elements provided by nature that humans
use for economic activities.
NON-RENEWABLE RESOURCES
Resources with very long replenishment
cycles.
OVEREXPLOITATION
Using natural resources faster than they
can regenerate.
OVERGRAZING
Allowing animals toe at toomuch of the
vegetation.
OZONE
Agas found in a layer of the Earth’s
atmosphere.
POISONING
Administering a toxic or dangerous
substance.
RENEWABLE RESOURCES
Resources replenished in a short period
of time.
RETREAT
To recede or move back.
RUN OUT
To be exhausted or used up.
SIGNATORY
State or party that signs an agreement.
SMOG
Fog and smoke; a cloud of dirty air often
found in cities.
SPILL
Accidental escape of liquids.
SUSTAINABLE DEVELOPMENT
Generating economic growth whilst
maintaining social equality and environmental protection.
UPSET
To disrupt or make unstable.
URBAN SPRAWL
Expansion of urbana reas into the
countryside.
WASTE MANAGEMENT
Requires the 3Rs (reduce, reuse, recycle)
and government involvement to prevent uncontrolled pollution and operate
purification and waste processing plants.
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