A World Powered By Renewable Sources - Optimism With Fluctuations

Hydropower Pro Hydropower Con
1. Mature technology 2. Create jobs 1. Damage animals' habitat 2. Greenhouse gas emission from reservoir see more
Three Gorge Dam
Solar Panel
Solar Pro Solar Con
1.Completely inexhaustible 2. Ease of use 1. Subject to weather 2. Light pollution
Wind Pro Wind Con
1. Space efficiency 2. Low operating cost 1. Kill birds 2. Difficulty in installation
Wind Turbine
Three Gorge Dam
Hydrogen Pro Hydrogen Con
1. Water as the only byproduct 2. Very abundant source 1. High risk of explosion 2. High cost
Geothermal Pro Geothermal Con
1. Resistant to weather change 2. Considerable productivity 1. Limited locations 2. May trigger earthquakes
Yellowstone Wonder
Bottled Biofuel
Biomass Pro Biomass Con
1. Direct substitute of fossil fuel 2. Help to achieve carbon-neutral 1. Problematic purity 2. Health concerns