KU-FU, a small try you can do

Early to bed and early to rise, it's the most effective way to reduce energy consumption in the end

Halve, or do without

What can Japan do? Japan's the worst birth rate also the worst number of births after WW2

On "The boy and the heron" by Hayao Miyazaki (Studio Ghibli)

Not turn AC on :)

Eliminate hair dryer and steam iron

Turn off lights

Not using a vacuum cleaner

Live without a television

Life experiments, electricity consumption

Reconsider bedding 2/2

Travel tips. Packing is the matter? Lesser stuff liberates you.