Historical compressed air systems hold the key to the design of a low-tech, low-cost, robust, sustainable and relatively energy efficient energy storage medium.
Researchers have calculated minimum levels of energy use needed to live a decent life, but what about maximum levels?
How energy-efficient a home is depends not only on the energy label but also on the lifestyle.
To focus on energy efficiency is to make present ways of life non-negotiable.
Adjusting energy demand to supply would make switching to renewable energy much more realistic than it is today.
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.
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.
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