Effektiv Anvendelse Af Energi LED-Paerer bruger 15% af el i forhold til en standard halogenpaere, selv om de generere den samme lysstyrke. LED Lys udsender ingen varme.
Is factory farming making us sick? The need to feed billions of people efficiently (and make billions of dollars off it) has given rise to large-scale animal farming operations.[...]
Greenhouse gas (GHG) is the gas present in the atmosphere that can both absorb and emit infrared radiation. Greenhouse gases have a great affect on the temperature. The Infographic[...]