The most common form of solar cells are based on the photovoltaic (PV) effect
Two layer semi-conductor device produces a photovoltage or potential difference between the layers
No fuel cost or fuel supply problem
No pollution
High reliability
Small amount of power required
Depend on place and climate
Large scale:
Ocean navigation aid
Telecommunication system
Remote moni
A Sustainable City
Providing the highest quality of life with the lowest environmental footprint
100% Renewable Energy
Zero Waste
Net Zero Carbon
Fossil Fuel Free Zone
World cup park
1
Opening
Introduction
Purpose for establishing
Foundation course
Advantages & Disadvantages
Aim for develop
2
The contens
Video crip
3
Opening
Environmentalecologypark,
whichisinwestSeoul.
ItismadebySeoul Nanjilandfillecologyrestorationmovementwithsizeof3,471,090빕.
1. Introduction
4
Haneul(sky) park
1. Introduction
5
[ Introduction ]
Ⅰ. Need Of Alternative Energy
The need for alternative energy sources is getting urgent, hence the development of renewable energy is moving fast. Nationally and internationally various individuals and research companies are creating new and exciting energy systems. Some of these apparatus are great works and need improving for massive use. Politician's world-wide are dra
1.1 New Renewable Energy
New Renewable Energy= new energy+ Renewable Energy
New energy : future energy
Renewable energy: almost indefinitely energy
condition
1 Replace petroleum
2 Carbon emits less than petroleum.
3 Sustainable energy can be used without depletion