Energy Resources

Highly polluting

High waste disposal cost

Unreliable supply

High running cost

1920

1928

1925

1938

Japan

South Korea

North Korea

Taiwan

Electricity

Coal

Sun

Wood and animal dung

those who believe conservation is important

those who believe human health is impacted by smog and pollution

those who believe fossil fuel dependence is suicide because it makes us vulnerable to the Middle East

concerns over diminishing fossil fuel supplies and negative environmental impacts of fossil fuel use

Liquefaction

Carbonation

Catalytic conversion

Cracking

solar

wind

hydro

natural gas

cost is prohibitive even in developed countries

pollution is high

not all regions are sunny enough to provide adequate power with current technology

solar systems provide local, decentralized control over power

using heat absorbing construction materials

rooftop solar panels

OTEC

photovoltaic cells

ingestion

combustion

water molecules

incineration