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Current Trends & Issues
Computers
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Invented in the 1940s
Filled a room, had own cooling system
Invention of transistors and silicon chips
made them smaller, faster
Internet
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Started in the 1960s
Eventually used telephone lines
Explosion of internet usage in 1990s
Worldwide usage went from 26 million (1995)
to 600 million in 2002
Cell phones
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First cell phone call made in 1973
Cell phones available to public in 1980s
By 1987, over 1 million cell phone subscribers
Today, an estimated 4 billion cell phone
subscribers.
Etcetera
Other recent developments:
ipod
pda
ebay
MySpace
YouTube
Twitter
Facebook
Google
Amazon
Bing
ereaders
Yahoo!
pinterest
skype
instagram
hulu
tumblr
netflix
blog
redbox
snapchat
pandora vine
formspring Spotify
vsco
Environmental Issues
•Pollution
•Factory emissions
•Vehicle exhaust
•Insecticides
•Chemicals
•Landfills
•Sustainable Development (Sust. Growth)
•economic growth while preserving environment
Population pressures
• Extreme population density can result in
poverty, food scarcity, disease, etc.
Other challenges
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Global warming
Deforestation
Overgrazing
Scarcity of resources
… and more
Health Issues
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MRIs, lasers, precision instruments help
doctors save lives.
New technology allows for “cloning” - very
controversial.
Genetic engineering = changing genetic code
of something artificially
About 25 million people have died from AIDS,
and 40 million live with HIV. 70% of those
with HIV or AIDS live in Sub-Saharan Africa.
Worldwide Economics
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After WWII, technology changed economies
in the world.
Developed nation – has industrialization,
transportation, and business facilities.
Emerging nation – still in the process of
becoming industrialized.
Globalization
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Globalization
• economies, societies, and cultures connected
through communication, transportation, and trade
•
Multination company
• operates in several countries around the world
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World Trade Organization
• helps supervise and negotiate trade agreements
between countries
•
NAFTA –North American Free Trade Agreement
• promotes free trade between US, Canada, Mexico
•
European Union (EU)
• Economic & political union of 27 European countries
International Organizations
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United Nations – created to help countries
overcome problems and avoid war.
Red Cross/Crescent – founded to preserve
and save life. Sends relief assistance in
emergencies.