“Peak oil” is just one of several cases of worldwide peaking and decline of a depletable resource (read)
Travelling light
Airships are one of several green technologies which might be killed by a shortage of materials (read)
Farms became factories
Chemical corporations continue their propaganda efforts to convince farmers that they cannot make a profit without using chemicals, antibiotics, hormones, and genetically manipulated crops and animals (read)
It takes 90,000 kWh of energy to construct a single family dwelling (read)
Green buildings (1)
Even if 40% of the materials in a new building are recycled, it would take 65 years for a green, energy-efficient new office building to recover the energy lost in demolishing an existing building (read)