-
Earth with young leaves
-
Fuel cell vehicle
-
Male with the switch off (power saving)
-
Geothermal power plant
-
Tiger rug
-
Electric power mark
-
Eco car
-
Fukushima Daiichi Nuclear Power Plant
-
Various straws
-
Resources
-
Eco bag (empty-full)
-
Mist net
-
Dried pond
-
Global warming (penguins and polar bears on ice)
-
Garbage dump (with internet)
-
Coughing panda
-
Exhaust gas
-
Wood pellets
-
Forest
-
(Forest) characters
-
Water circulation
-
Factory pollution
-
Dirty sea (environmental problems)
-
Weakened Earth
-
Nuclear power plant
-
Bear rug
-
Private power generation
-
House with solar panels installed
-
Egg pack
-
(Clear energy saving standard)