Matching supply to demand at all times makes renewable power production a complex, slow, expensive and unsustainable undertaking.
Those who can overcome their vanity can revert to technology that has proven to work.
Unlike solar and wind energy, human power is always available, no matter the season or time of day.
The heat storage hypocaust could keep a room warm for days with just one firing of the furnace.
Vietnam’s decentralised food system has low energy inputs and reduced food waste, giving us a glimpse of what an alternative food system might look like
More and more consumer products are controlled by networked software: what does this mean for energy demand, and exactly who is responsible for increasing consumption?
The expression “estar en la gloria” (to be inside the gloria) means that someone feels happy and comfortable.
Could we rethink and redesign office equipment, combining the best of mechanical and digital devices?
The information society promises to dematerialise society and make it more sustainable, but modern office and knowledge work has itself become a large and rapidly growing consumer of energy and other resources
Pigeon towers helped Persian farmers cultivate all kinds of crops on previously arid, thin-soil land.
Solar panels on window sills and balconies can supply more power than you would think.
Directly coupling DC power sources with DC loads can result in a significantly cheaper and more sustainable solar system.