күн қуаты

Ordinary diesel, like regular petrol, is refined from oil but it is a thicker, heavier liquid with a higher 'energy density' - meaning it offers better fuel economy. On the down ...

диоксиндер

Environnement naturel; Changement climatique

Dioxins are chlorine-containing chemical compounds formed and emitted into the atmosphere usually as byproducts of human activity - waste incineration and fuel combustion being ...

экожүйе

Environnement naturel; Changement climatique

An ecosystem is the term applied to the interaction of a community of different living (organic) species - plants, animals and micro-organisms - with non-living (or inorganic) ...

кірленулер

Environnement naturel; Changement climatique

Emissions are the CO2 (and other greenhouse gases) produced by energy use, usually calculated and stated as an annual tally: also referred to as your carbon footprint. Your ...

энергия әсерлілігі

Environnement naturel; Changement climatique

Something that is energy efficient achieves the greatest useful output for the least expenditure of energy, or improves the ratio between the two. For example, energy efficient ...

энергия қарқындылығы

Environnement naturel; Changement climatique

An energy-intensive process uses a great deal of energy - and therefore produces high emissions - relative to its useful output. As an example, beef production, has recently been ...