Technological Developments
Starting in the early 1900s, _________ brought news, music and cultural events to a wide range of people.
Radio
The type of economy based on producing goods and services to export to other countries. Also known as "old economy"
Manufacturing Economy
As people lived longer, a form of dementia that affects elderly people wher patients progressively lose their memory, eventually leading to death.
Alzheimer's Disease
The loss of Earth's trees as a result of cutting down trees so the land could be used for agriculture.
Deforestation
___________________, first developed for the U.S. Defense Department during the Cold War, emerged as a regular tool of communication for much of the public by the 1900s
Internet
this type of economy based on developing or sharing information, took root in cities around the world with the advent of the internet. Also known as "new economy"
Knowledge Economy
This disease had plagued the ancient Egyptians and devestated the native population of the Americas and Australia. As recently as the 1960s, it killed millions of people each year.
Smallpox
The removal of natural vegetation cover through expansion and intensive use of agricultural lands in arid and semi-arid lands.
Desertification
In the 1900s, mobile technologies such as _____________ put the tools of information creation and dissemination into the hands of individuals around the world.
Cell Phones
Coal, petroleum, and natural gas as non-renewable energy sources are known by what name.
Fossil Fuels
Another disease caused by water contaminated by a virus transmitted in fecal matter, once infected 110,000 new people per year. It could result in paralysis and sometimes death
Tuberculosis
Energy derived from resources that are continuously replenished, such as wind, solar, tidal, and geothermal power.
Renewable Energy
Large standard-sized units that could be carried on a truck or train or stacked on a ship, promoted the widespread movement of people and goods.
In the mid 20th century, this emerged as a possible long-term response to hunger. Scientists developed new varieties of wheat, rice and other grains that had higher yields and greater resistance to pests, diseases, and drought.
Discovered in the Congo in 1976, its a deadly disease caused by a virus that infects the African fruit bat, humans, and other primates.
Ebola
Experts advised governments to reduce their countries' ______________, the amount of carbon dioxide that each person produces
Carbon Footprint
In 1928 Scottish biologist Alexander Fleming was working in his lab when he accidentally discovered that a particular fungus produced a substance that killed bacteria. He had discovered __________________. It became the first antibiotic and saved countless lives during WWII
Penicillin
Manipulating a cell or organism to change it's basic characteristics
Genetic Engineering
A parasitic disease spread by mosquitoes in tropical areas, it killed more than 600,000 people each year in the 21st century.
Malaria
Factories, automobiles, airplanes and other products and processes of industrialization have emitted huge amounts of pollutants, including carbon dioxide and other _____________-those that have built up in the atmosphere and let the heat of the sun reach Earth but trap it from escaping Earth.
Greenhouse Gases