Pages in this set

Page 1

Preview of page 1
Unit One ­ Global Challenges: World at Risk

Hydrometeorological Hazards:
Cyclones:
area of low atmospheric pressure created when air rises from the surface of the earth
tropical cyclones: fuelled and formed by warm ocean water. Grow in size when remaining
over warm oceans
temperate cyclones: formed when air of different…

Page 2

Preview of page 2
Volcanic eruptions can be predicted therefore the warnings allow people to prepare and
therefore limit death tolls, injuries and number of homes left damaged.

Disasters ­ increasing in magnitude and frequency
possibly because of advance in technology and awareness of smaller scale disasters
monitoring agencies encouraging people to report occurrence…

Page 3

Preview of page 3
Floodcontrol system on the River Thames to protect London has allowed the city to
expand to tremendous size, despite resting on flood plains.
More dependant on systems of water, power, communication and transport. When
systems collapse we cannot fend for ourselves.
Many struggle from hourlong powercuts
Climate Change:
With a…

Page 4

Preview of page 4
The World Bank used the term "Hotspots" to describe the areas who were most
vulnerable to natural hazards.
CASE STUDY ­ ARMENIA: DISASTER PRONE AREA
with its relatively small borders the nation is exposed to earthquakes, landslides,
hailstorms, droughts, windstorms and floods. Mountainous landscape prone to
landslides ­ causing annual…

Page 5

Preview of page 5
Melting of snow and ice
Rising global average sea level
Changes in rainfall patterns
Changes in wind regimes
Changes in the nature of extreme weather events
Changes in the biophysical world.
Natural cycles of warming and cooling:
Evident in the earth's climatic record.
These findings of previous cooling and warming…

Page 6

Preview of page 6
It is clear that the influence of anthropogenic activities has a much greater effect on global
warming than natural cycles do.
______________________________________________________________________

Africa ­ economic impact on the poor:
Most vulnerable region from climate change
Changing rainfall patterns will affect existing agriculture
As rainfall declines, growing seasons decline, yield will…

Page 7

Preview of page 7

Adaptive Capacity: manage impacts of climate change

Variations in adaptive capacity:
factors or "nonclimatic stresses" such as: Conflict, disease, food shortages, poverty,
unequal access to resources and water stress
Developing sustainability:
development must exist in parallel to systems and processes that occur in the natural
environment
sustainable development reduces vulnerability…

Page 8

Preview of page 8

Unit One Global Challenges: Going Global

Globalisation:
Process in which national economies become more integrated into a single global
economy
Actions made in one part of the world have a knockon effect somewhere else ­
parts of the world becoming linked economically

Population Distribution:
Increased population puts pressure on resources…

Page 9

Preview of page 9
Decreasing cost of transport and communication has affected TNC's. They have access
to headquarters via satellite, or travel to them quickly. The availability of such things has
encouraged migration due to employment opportunities.
Transnational companies now control 70% of the world's trade
Effects of globalisation of population movements:
Globalisation has…

Page 10

Preview of page 10
OECD ­ Organisation for Economic Cooperation and Development
The Commonwealth
An association of 53 countries, all of whom are former British Colonies except the UK
itself and Mozambique. Despite diverse, they all try and uphold the same values.
EU ­ European Union
An economic and political grouping of European countries.…

Comments

nirjala

Report

thank you this is very helpful!

Similar Geography resources:

See all Geography resources »